document.write( "Question 618389: The ratio of the perimeter of a rectangle to its longest side is 10 : 3. The perimeter is 40cm. What is the length of the longest side? \n" ); document.write( "

Algebra.Com's Answer #388846 by ewatrrr(24785) $\"\"$ $\"About$

You can put this solution on YOUR website!

 
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document.write( "Hi,
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document.write( "The ratio of the perimeter of a rectangle to its longest side is 10 : 3.
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document.write( "The perimeter is 40cm. What is the length of the longest side?
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document.write( "    ||Cross Multiplying to solve
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document.write( "     10x = 120cm
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document.write( "       x = 120cm/10 = 12cm
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