document.write( "Question 1186453: ___________10. The sum of Mario’s age and Luigi’s age is 80. Four years ago, Mario is thrice as old as Luigi. How old is Mario now? \n" ); document.write( "

Algebra.Com's Answer #817363 by josgarithmetic(39617) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"system%28m%2BL=80%2Cm-4=3%28L-4%29%29\"$ \r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( " $\"m-4=3L-12\"$
\n" ); document.write( " $\"m=3L-8\"$
\n" ); document.write( " $\"m=3%2880-m%29-8\"$
\n" ); document.write( " $\"m=240-3m-8\"$
\n" ); document.write( " $\"4m=232\"$
\n" ); document.write( " $\"highlight%28m=58%29\"$ \n" ); document.write( "

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