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The Time T Necessary to Make an Enlargement of a Photo

Question 127

Multiple Choice

The time T necessary to make an enlargement of a photo negative varies directly as the area A of the enlargement. If 90 seconds are required to make a 3-by-5 enlargement, find the time required
For a 5-by-6 enlargement.


A) 210 sec
B) 150 sec
C) 240 sec
D) 180 sec

Correct Answer:

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