document.write( "Question 1087345: the volume of a box must be 315m cube. the length of the box is to be 7m and the hieght is to be 4m more than the width. find the width of the box? \n" ); document.write( "

Algebra.Com's Answer #701611 by Fombitz(32388) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"V=L%2AW%2AH\"$
\n" ); document.write( " $\"315=%287%29%28W%29%28W%2B4%29\"$
\n" ); document.write( " $\"W%5E2%2B4W=45\"$
\n" ); document.write( " $\"W%5E2%2B4W%2B4=49\"$
\n" ); document.write( " $\"%28W%2B2%29%5E2=49\"$
\n" ); document.write( " $\"W%2B2=0+%2B-+7\"$
\n" ); document.write( "Only positive solutions make sense,
\n" ); document.write( " $\"W=-2%2B7\"$
\n" ); document.write( " $\"W=5\"$
\n" ); document.write( "and
\n" ); document.write( " $\"H=5%2B4=9\"$
\n" ); document.write( " \n" ); document.write( "

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