Q: Bill weights 120 pounds and is gaining ten pounds each month, Phil weights 150 pounds and is gaining…

A: Let, after the "t" Months Bill's weigh is same as Phil. Then, in t months gain in Bill's weigh = 10t…

Q: A total of $12000 was invested, part of it at 9% and the rest at 7.5%. Thetotal interest after one…

A: Let $x was invested at 9% and $(12000-x) was invested in 7.5% So interest earned from 9% is = 9% of…

Q: You invested $3000 between two accounts paying 7% and 8% annual interest, respectively. If the total…

A:

Q: A person plans to invest four times as much in an account at 5​% interest as in an account at 8​%…

A:

Q: Company A pays $31,000 yearly with raises of 2, 100 per Company B pays $35,000 early with raises 1,…

A: Given that company A pays $31,000 yearly with raises of $2,100 per year and company B pays $35,000…

Q: You invested a total of $6,000 at 4 1/2% and 5% simple interest. During one year, the two accounts…

A: Let the amount invested be x and y at 4 1/2% and 5% simple interest x+y=6000       ....(1) SI at…

Q: A total of $6000 is invested, part of it at 4.25% and the rest at 5.75%. Thetotal interest after one…

A: Let $x was invested in 4.25% and (6000-x) in 5.75%  So the total interest earned is: 4.25% of x +…

Q: The battery of a cell phone is enough for 9 hours when the phone is off and 1.5 hours when the phone…

A: Let the battery of the cell phone lasts 9 hours when the phone is off. The battery lasts 1.5 hours…

Q: A total of $18000 is invested, part of it at 6% and the rest at 9%. The totalinterest after one year…

A: Let $x was invested in 6% and (18000-x) in 9% So total interest earned after 1 year is: 6% of x + 9%…

Q: A tank initially contains 50 gallons of brine, with 30 pounds of salt in solution. Water runs into…

A: This question is related to differrential equations, We will solve it using given information.

Q: You invested $6000 between two accounts paying 4% and 5% annual interest, respectively. If the total…

A:

Q: A monthly salary is $2299. It is given an increase of 7.1%. After the first increase, it receives a…

A: Given, The monthly salary before the increment is $2299. After the first increase of 7.1%, monthly…

Q: A total of $8500 is invested, part of it at 6% and the rest at 3.5%. The totalinterest after one…

A: Let $x was invested in 6% and (8500-x) was invested in 3.5% So total interest earned is: 6% of x +…

Q: How long will it take for P 46, 450.00 to earn an interest of P14, 000 invested at 13.5% simple…

A: To solve the given question we shall use the following formula…

Q: A person plans to invest two times as much in an account at 5​% interest as in an account at 8​%…

A: Assume person invest x amount at 8% annual rate and 2x amount on 5% annual Rate

Q: Marcus invests $11,000.00 at 2, % simple interest for 1508 days. How much interest is earned over…

A: Formula : Interest = PRT/100 Amount = P + I

Q: You invested $4000 between two accounts paying 2% and 8% annual interest, respectively. If the total…

A:

Q: You invested $28,000 in two accounts paying 8% and 9% annual interost, respectively. If the total…

A: Let the amount invested at a rate of 8% is x. Since the total amount invested is $28000, so the…

Q: A total of $11,000 is invested in two different accounts. The first account at 6.5% simple interest…

A: Given problem:- A total of $11,000 is invested in two different accounts. The first account at 6.5%…

Q: How can $52,000 be​ invested, part at 8% annual simple interest and the remainder at 5% annual…

A:

Q: 6. The value of a new speed boat depreciates at a rate of 7% per year. If the boat was bought for…

A:

Q: A small pipe can fill a tank in 8 min more time than it takes a larger pipe to fill the same tank.…

A: Given Data The time to fill the tank by a small pipe is ts=(a+8) min. The time to fill the tank is…

Q: you have 100 pesos today and on each of the following days, you save double the amount of money you…

A: Given query is to find the amount after 10 days .

Q: How many years will it take $5,000 invested at 8% simple interest to double? How long will it take…

A:

Q: You invested $29,000 in two accounts paying 2% and 5% annual interest, respectively. If the total…

A:

Q: Bianca invested $2,260 for 280 days at a simple interest rate of 3.50% p.a. How much more or less…

A: Given information  P=$2,260 N=280 days R=3.50% pa R=3.50% pa=3.50365% per day=0.009589% per day The…

Q: Ritu plans to invest $25,000 in government bonds which pay 7% return annually. She also wants to…

A: We have given that Ritu plans to invest $25,000 in government bonds which pay 7% return annually…

Q: The baby giraffe weighed 132 pounds at birth. He gained weight at a steady rate for the first 7…

A: This is a basic algebra problem

Q: Katie invested a total of $7000, part at 2% simple interest and part at 3% simple interest. At the…

A:

Q: You invested $7000 between two accounts paying 6% and 8% annual interest, respectively. If the total…

A: If you invested $7000 between two accounts paying 6% and 8% annual interest respectively . If the…

Q: An 8-horsepower (hp) pump can fill a tank in 8 hours. A smaller, 3-hp pump fills the same tank in 12…

A: The bigger pump takes 8 hours to fill the tank.So, in 1 hour the bigger pump (8hp) fills the part of…

Q: Suppose you invested  $1300 in the stock market 2 years ago.  During the first year, the value of…

A: Here we have to find the total money at the end of 2 year periods.

Q: Sharon wants to have $10,000 after 8 years. How much should she deposit in a 4.5% saving account in…

A: The formula for amount using the compound interest is A=p(1+rn)nt. Here, p is the principal, r is…

Q: Alewuya invests a total of $23,500 in two accounts. The first account earned an annual interest rate…

A:

Q: How much pure alcohol should be added to 15 liters of 30% alcohol to increase the concentration to…

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Q: Two investments earn an annual income of $681. One investment earns an annual simple interest rate…

A: Let 8.9% interest has $x And 6.9% interest has $(9000-x)Since total amount is 9000

Q: a person plans to invest three times as musch in an account at 3.1% interest as in account at 13%…

A: A person plans to invest three times as much in an account at 3.1% interest as in account at 13%…

Q: 8. One pipe can fill a swimming pool in 10 hours, while another pipe can empty the pool in 15 hours.…

A: We have to solve, how long would it take to fill the pool if both pipes were accidentally left open.…

Q: You invested $8000 in two funds paying 2% and 5% annual interest. At the end of the year, the…

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Q: 2.) A water tank can be filled by an intake pipe in 12 hours. A draining pipe can empty the water…

A: We need to find how long will it take to fill the tank.

Q: How long will it take a P30, 000.00 debt to earn an interest of P4, 500.00 if tne simple interest…

A:

Q: How can $54,000 be invested, part at 8% annual simple interest and the remainder at 10% annual…

A: Given simple interest are 8% and 10%  investment is $54000 interest earned by the two accounts will…

Q: A total of $⁢5000 is invested: part at 5% and the remainder at 15% How much is invested at each rate…

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Q: 18. Bruce Blossum invested a sum of money at 10 % annual sim- ple interest and invested twice that…

A: Suppose that sum of money invested is P, which is invested at 10 percent per annum and twice of that…

Q: Monthly, Juan's net earnings are $8,000, and expenses are $7,000. If Juan saves the difference, how…

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Q: A car is purchased for $25 000. It depreciates in value 8% per year. How long does it take for the…

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Q: you invested $3000 between two accounts paying 5% and 9 % annual interest, respectively. if the…

A:

Q: Suppose you invested $1100 in the stock market 2 years ago. During the first year, the value of the…

A:

Q: Scott invested a total of $5900 at two separate banks. One bank pays simple interest of 12% per year…

A: