document.write( "Question 299944: I need help with this question, cant seem to get the right answer.\r
\n" ); document.write( "\n" ); document.write( "A rectangle with an area of 80cm2 has a width that is three more than one half its length. What is the width of the rectangle \n" ); document.write( "

Algebra.Com's Answer #215346 by JBarnum(2146) $\"\"$ $\"About$

You can put this solution on YOUR website!
{{[A=80}}}
\n" ); document.write( " $\"W=%283%2B%281%2F2%29L%29\"$
\n" ); document.write( " $\"A=LW\"$
\n" ); document.write( " $\"80=L%283%2B%281%2F2%29L%29\"$
\n" ); document.write( " $\"80=%283L%2B%281%2F2%29L%5E2%29\"$
\n" ); document.write( " $\"160=6L%2BL%5E2\"$
\n" ); document.write( " $\"0=L%5E2%2B6L-160\"$ 2 numbers multiply to get -160 add to get +6: -10 and 16
\n" ); document.write( " $\"0=%28L-10%29%28L%2B16%29\"$
\n" ); document.write( " $\"L=10\"$ , $\"-16\"$ cant be negative
\n" ); document.write( " $\"W=%283%2B%281%2F2%29L%29\"$
\n" ); document.write( " $\"W=%283%2B%281%2F2%29%2810%29%29\"$
\n" ); document.write( " $\"W=%283%2B5%29\"$
\n" ); document.write( " $\"highlight%28W=8%29\"$ \r
\n" ); document.write( "\n" ); document.write( " \n" ); document.write( "

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