document.write( "Question 16587: A billboard is 7 meters long and 5 meters high. An advertiser wishes to increase its size by adding the same amount to its length and width. The new area will be 63 square meters. How much must be added to the length and width of the billboard to do this? \n" ); document.write( "

Algebra.Com's Answer #8116 by piglet162431(90) $\"\"$ $\"About$

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If a original billboard is 7 X 5 meters, then the area will be 35. 63-35= 28. 28 of the length and width must be aded. \n" ); document.write( "

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