document.write( "Question 286852: joan and maria earn money by babysitting. if joan earns twice as much as maria, and the two girls earn a total of $40,how much does maria earn? \n" ); document.write( "
Algebra.Com's Answer #208013 by richwmiller(17219)\"\" \"About 
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j+m=40
\n" ); document.write( "j=2m
\n" ); document.write( "3m=40
\n" ); document.write( "m=40/3
\n" ); document.write( "m=13.33
\n" ); document.write( "j=26.67
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