SOLUTION: Find the cost per ounce of a sunscreen made from 100 oz of a lotion that costs $2.00 per ounce and 150 oz of a lotion that costs $4.50 per ounce. (Round your answer to the nearest
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-> SOLUTION: Find the cost per ounce of a sunscreen made from 100 oz of a lotion that costs $2.00 per ounce and 150 oz of a lotion that costs $4.50 per ounce. (Round your answer to the nearest
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Question 1196973: Find the cost per ounce of a sunscreen made from 100 oz of a lotion that costs $2.00 per ounce and 150 oz of a lotion that costs $4.50 per ounce. (Round your answer to the nearest cent.)
_________$ per ounce Answer by ikleyn(52778) (Show Source):
It is the total cost divided by the total mass.
Total cost is $2*100 + $4.50*150 = 2*100 + 4.50*150 = 875 dollars.
Total mass is 100 oz + 150 oz = 250 oz.
So, your ANSWER is = = 2.50 dollars per ounce.
