Question 325513: A photographer has enough toner for fifty 5-in. by 7-in. prints. How many 8-in. by 10-in. prints will this amount cover?
Answer by info@email-tutors.com(9)   (Show Source):
You can put this solution on YOUR website! five inches by seven inches yields an area of thirty five inches squared. multiply this by 50 prints, and you have a total area of 1750 inches squared.
Eight inches by ten inches yields an area of 80 inches squared. Since we are using different dimensions, but keeping the total amount of square areas the same, we can divide 80 into 1750 to see how many square inches it will cover.
1750 / 80 = 21.875
Therefore, the amount of ink will cover 21.875 eight by ten prints.
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