document.write( "Question 442706: if the length and breadth of a rectangular field are increased, the area increases by 50%. if the increase in the length was 20% , by what percentage was the breadth increased? \n" ); document.write( "
Algebra.Com's Answer #305391 by swincher4391(1107)\"\" \"About 
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.2l * xb = .5A\r
\n" ); document.write( "\n" ); document.write( ".2*x (l*b) = .5A\r
\n" ); document.write( "\n" ); document.write( ".2*x A = .5A
\n" ); document.write( ".2*x = .5
\n" ); document.write( "x = 2.5\r
\n" ); document.write( "\n" ); document.write( "It would have to be increased 250%.\r
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