document.write( "Question 1141697: There is only 12 years difference between Amy and Billy’s ages yet 30 years ago billy was twice Amy’s age what are billy and Amy’s ages now \n" ); document.write( "

Algebra.Com's Answer #762300 by greenestamps(13200) $\"\"$ $\"About$

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\n" ); document.write( "If a formal algebraic solution is not required, you can get some good mental exercise solving the problem using logical reasoning (and it's a lot faster than the formal algebra!).

\n" ); document.write( "(1) If the difference in their ages is 12 years, then when Billy was twice as old as Amy their ages were 24 and 12.

\n" ); document.write( "(2) Since that was 30 years ago, their ages are now 54 and 42. \n" ); document.write( "

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