An instructor has graded 23 exam papers submitted by students in a class of 24 students, and the average so far is 71. How high would the score on the last paper have to be to raise the class average by 1 point?

Q: For a particular​ event, 840 tickets were sold for a total of ​$3276. If students paid ​$3 per…

A:

Q: The average amount of money held by each child in a group of 5 is $0.50.If one of the children loses…

A: Given that: Total number of child = 5Average money held by each child = $0.50

Q: Before the final exam, a student has test scores of 72, 80, 65, 78, and 60. If the final exam counts…

A: Let the grade in the final exam will be x. before the final exam, the average score of the student…

Q: The hockey team won 8 out of their first 14 games. At the Same Rate, how many games should they…

A: We can find the answer as below.

Q: On average, a person devotes 34 years to sleeping and watching tv. The number of years sleeping will…

A:

Q: Christine is 41 years old and her daughter is 9. In how many years will Christine will be there…

A: Given data: Christine is 41 years old and her daughter is 9. To find: In how many years will…

Q: Find three consecutive odd integers such that their sum decreased by the second equals 50.

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Q: How many workers will be needed to complete a task in 8 days, given that 4 workers can complete the…

A:

Q: It takes you 59 seconds to walk from the first (ground) floor of a building to the third floor. How…

A: Given- It takes 59 seconds to walk from the first (ground) floor to the third floor of the building.…

Q: Thirty-two men can reap a field in 18 days. If the field is to be reaped in 12 days, how many men…

A:

Q: How many people from the community will die from the pandemic if the number of infections increases…

A:

Q: Suppose your grades on three math exams are 80, 93, and 91. What grade do you need on your next exam…

A: Given:

Q: of the time he is at bat. Out of 80 times at bat, 10 A player on a school baseball team reaches…

A: A player on a school baseball team reaches first base 7/10 of the time he is at bat.

Q: A recent survey showed that 42% of recent college graduates named flexible hours as their most…

A: Given: 42% of recent college graduates named flexible hours as their most desired employment…

Q: A company pays $20 per hour for up to 5 hours of work, and $30 per hour for overtime hours (hours…

A: The Expression for overtime hours is  =  x-5   The Expression for Total earning in overtime hours is…

Q: If​ Andrew's batting average is exactly 0.300 going into the​ series, and that value is based on…

A: Given Data- We have give the Andrew's batting average is exactly 0.300. And the average value is…

Q: A pianist plans to play 5 pieces at a recital from her repertoire of 25 pieces. How many different…

A: Solution is given below:

Q: There are 374 students who are enrolled in an introductory geology course. If there are five boys to…

A:

Q: Forty men working on a construction job had completed one-third of the job in the past 15 days. The…

A:

Q: town has a population of 15,000 and grows at 7% every year. What will be the population after 10…

A: Explanation of the answer is as follows

Q: Cambridge Slim are 38 sausages in the first 23 minutes of a high stakes eating conest. Assuming that…

A: The ratio of 2 numbers is one number divided by the other number. For the ratio to be consistent,…

Q: From your hotel room, you look down at the street and want to estimate how many taxis are available.…

A: Unbiased estimator is an important concept in estimation.

Q: Four out of nine dogs weigh less than 20 pounds. What is the decimal equivalent for the number of…

A:

Q: An instructor has graded 20 exam papers submitted by students in a class of 21 students, and the…

A:

Q: An instructor has graded 25 exam papers submitted by students in a class of 26 students, and the…

A:

Q: An instructor has graded 23 exam papers submitted by students in a class of 24 students, and the…

A:

Q: Suppose a hiker finds himself in a forest 3 miles from the nearest point on a straight road. He…

A: Given, Suppose a hiker finds himself in a forest 3 miles from the nearest point on a straight road.…

Q: . Determine if the girls' average score in an exam is higher than 600. Th

A:

Q: An instructor has graded 23 exam papers submitted by students in a class of 24 students, and the…

A: Given An instructor has graded 23 exam papers submitted by students in a class of 24 students, and…

Q: uppose that the exam score for Class A is 80% and for Class B is 54%. When all the scores for both…

A: Let us assumed that percentage of the students in class A be "x"  Then the percentage of the…

Q: The average score of 15 atudents in a class is 65%. Ama joins the class and the average scores of…

A: Let x1 be the average score of 15 students and x2 be the average score of Ama.  The average score…

Q: The months of June, July, August, and September are the wettest months in Miami, Florida, averaging…

A: Given: The average monthly rain in Miami in the months of June, July, August and September is 7.83…

Q: It takes you 32 seconds to walk from the first (ground) floor of a building to the third floor. How…

A: Time taken to walk from First floor to third floor = 32 seconds Time taken to walk from First floor…

Q: Which amount of time is greater for the average person, the total time spent on his/her cell phone…

A: Total amount spent of his/her cellphone is greater.

Q: On three examinations, Elena received scores of 82, 91, and 76. What score does Elena need on the…

A: let Elena needs score X for her average score 85 we know that the average value formula average…

Q: when you were a freshman, there were 350 students in your class. in recent years, only 4 out of 7…

A: Total number of student in class: 350

Q: An auditorium will be constructed in such a way that there will be 20 rows of steel seats with 24…

A: An auditorium will be constructed in such a way that there will be 20 rows of steel seats with 24…

Q: When a number is decreased by 30% of itself, the result is 28. What is the number?

A: We have to find the number when it is given that when this number is decreased by 30% of itself,the…

Q: There are 377 students who are enrolled in an introductory geology course. If there are eight boys…

A:

Q: The property managers of Oakridge Apartments recently oversaw the installation of a new swimming…

A: Out of 100 residents 82 were satisfied

Q: A man is three times as old as his son five years ago; he was five times as old as his son was at…

A:

Q: An instructor has graded 20 exam papers submitted by students in a class of 21 students, and the…

A:

Q: If a person is dealt 13 cards from an ordinary deck of 52 playing cards several times, how many…

A:

Q: A company pays $20 per hour for up to 5 hours of work, and $30 per hour for overtime hours (hours…

A: Given x is the total hours worked. And beyond 5 hours it will be overtime hours.

Q: The final scores of a group of 40 Engineering students in a school has 96 as the highest and 52 as…

A:

Q: Three-fourth of the students in the class have an average IQ of 120 and the rest have an average IQ…

A:

Q: The average grade Mark received on 4 tests was 94. If he drops his lowest grade of 85, what wil his…

A: We have to find

Q: Recently, an analyst in a company's marketing department surveyed customers regarding how often they…

A: Non-sampling error: In a survey, the error that are unrelated to sampling is called non-sampling…

Q: Suppose that there are two types of tickets to a show: advance and same-day. Advance tickets cost…

A: Given, Advance tickets cost $25 and same-day tickets cost $35. Total amount paid $1900.Let us…