document.write( "Question 112537: A picture measures 5 inches by 7 inches. The picture is enlarged to a size of 15 inches by 21 inches.\r
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document.write( "A. What are the area and perimeter of the original picture?\r
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document.write( "B. What are the area and perimeter of the enlarged picture?\r
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document.write( "C. What is the percent of increase of the area of the enlarged picture? \n" );
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Algebra.Com's Answer #82064 by checkley71(8403)![]() ![]() ![]() You can put this solution on YOUR website! A) AREA=5*7=35 IN^2 \n" ); document.write( "PERIMETER=2*5+2*7=10+14=24 INCHES. \n" ); document.write( "B) AREA=15*21=315 IN^2. \n" ); document.write( "PERIMETER=2*15+2*21=30+42=72 INCHES. \n" ); document.write( "C) INCREASE IN AREA=315-35=280 IN^2. \n" ); document.write( "OR (280-35)/35=7 OR 700% INCREASE IN AREA. \n" ); document.write( " |