document.write( "Question 1187187: The length of a rectangle is increased by 30 percent and its width is increased by 20 percent. By what percent does the area increase?
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document.write( "(A) 50 (B) 54 (C) 56 (D) 60 (E) 156 \n" );
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Algebra.Com's Answer #818128 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! The length of a rectangle is increased by 30 percent and its width is increased by 20 percent. \n" ); document.write( " By what percent does the area increase? \n" ); document.write( "(A) 50 (B) 54 (C) 56 (D) 60 (E) 156 \n" ); document.write( ": \n" ); document.write( "let the original area = 1 * 1 = 1 \n" ); document.write( "the new area: 1.3 * 1.2 = 1.56 \n" ); document.write( "find the area increase .56/1 or 56% \n" ); document.write( " |