Find the cost per ounce of a gold alloy made from 30 oz of pure gold that costs $1282 per ounce and 40 oz of an alloy that costs $900 per ounce. (Round your answer to the nearest cent.)
1. Find the cost per ounce of a gold alloy made from 30 oz of pure gold that costs $1282 per ounce and 40 oz of an alloy that costs $900 per ounce. (Round your answer to the nearest cent.)
2.Find the cost per ounce of a sunscreen made from 100 oz of a lotion that costs $2.00 per ounce and 100 oz of a lotion that costs $5.00 per ounce. (Round your answer to the nearest cent.)
3.Find the cost per ounce of a mixture of 240 oz of a cologne that costs $8.50 per ounce and 560 oz of a cologne that costs $4.00 per ounce.
4.Find the cost per pound of a coffee mixture made from 8 lb of coffee that costs $9.70 per pound and 12 lb of coffee that costs $5.30 per pound.
5.The manager of a farmer's market has 100 lb of grain that costs $1.80 per pound. How many pounds of meal costing $0.80 per pound should be mixed with the 100 lb of grain to produce a mixture that costs $1.20 per pound?
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