document.write( "Question 1066703: At the gym cara burns 12 calories per minute on the elliptical and 10 calories per minute on the treadmill if she worked out for 1 hour and burned 676 calories how many minutes did she spend on the elliptical? \n" ); document.write( "

Algebra.Com's Answer #681916 by Fombitz(32388) $\"\"$ $\"About$

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Total calories expended
\n" ); document.write( " $\"12E%2B10T=676\"$
\n" ); document.write( "Total time,
\n" ); document.write( " $\"E%2BT=60\"$
\n" ); document.write( "From time equation,
\n" ); document.write( " $\"10E%2B10T=600\"$
\n" ); document.write( "Subtract from the calorie equation,
\n" ); document.write( " $\"12E%2B10T-%2810E%2B10T%29=676-600\"$
\n" ); document.write( " $\"2E=76\"$
\n" ); document.write( " $\"E=38\"$ $\"min\"$
\n" ); document.write( "Then,
\n" ); document.write( " $\"38%2BT=60\"$
\n" ); document.write( " $\"T=22\"$ $\"min\"$ \r
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