Solve the problem. The time T necessary to make an enlargement of a photo negative varies directly as the area A of the enlargement. If 60 seconds are required to make a 3-inch by 4-inch enlargement, find the time required for a 6-inch by 9-inch enlargement.

Mathematics For Machine Technology
8th Edition
ISBN:9781337798310
Author:Peterson, John.
Publisher:Peterson, John.
Chapter65: Achievement Review—section Six
Section: Chapter Questions
Problem 65AR: Volume = 775 cubic centimeters; Diameter = Round the answer to the nearest hundredth centimeter.
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Solve the problem. The time T necessary to make an enlargement of a photo negative varies directly as the area A of the enlargement. If 60 seconds are required to make a 3-inch by 4-inch enlargement, find the time required for a 6-inch by 9-inch enlargement.
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