Round Your Answer to Two Decimal Places

question 458

Multiple Choice

Round your answer to two decimal places.
-The time T necessary to make an enlargement of a photo negative varies directly as the area A of the enlargement. If 105 seconds are required to make a 3-by-5 enlargement, find the time required
For a 5-by-10 enlargement.

• A) 300 sec
• B) 450 sec
• C) 350 sec
• D) 400 sec