document.write( "Question 1151500: Susan is twice as old as Lana. The sum of their ages 4 years ago was 37. Find how old they are now. \n" ); document.write( "
Algebra.Com's Answer #773264 by josgarithmetic(39626)\"\" \"About 
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Susan, 30
\n" ); document.write( "Luna, 15\r
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\n" ); document.write( "\n" ); document.write( "If L is for Luna's age now, then \"%282L-4%29%2B%28L-4%29=37\", and with simple steps, \"L=15\".
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