document.write( "Question 1054438: The time T necessary to make an enlargement of a photo of negative varies directly as the area A of the enlargement. If 180 seconds are required to make a 5-by-7 enlargement, find the time required for 6-by-6 enlargement. \n" ); document.write( "
Algebra.Com's Answer #669664 by Boreal(15235)\"\" \"About 
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180 seconds=k*35 (the square inches in 5*7)
\n" ); document.write( "k=180/35
\n" ); document.write( "x seconds=k*36=(180/35)*36
\n" ); document.write( "x=185.14 seconds.
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