document.write( "Question 570369: Ten years from now, A will be twicw as old as B. Five years ago, A was three times as old as B. What are the present ages of A and B? \n" ); document.write( "
Algebra.Com's Answer #367667 by stanbon(75887)\"\" \"About 
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Ten years from now, A will be twice as old as B. Five years ago, A was three times as old as B. What are the present ages of A and B?
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\n" ); document.write( "Equations:
\n" ); document.write( "(A+10) = 2(B+10)
\n" ); document.write( "(A-5) = 3(B-5)
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\n" ); document.write( "Rearrange:
\n" ); document.write( "A - 2B = 10
\n" ); document.write( "A - 3B = -10
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\n" ); document.write( "Subtract and solve for \"B\":
\n" ); document.write( "B = 20
\n" ); document.write( "----
\n" ); document.write( "Solve for \"A\":
\n" ); document.write( "A = 2B+10
\n" ); document.write( "A = 2*20+10
\n" ); document.write( "A = 50
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\n" ); document.write( "cheers,
\n" ); document.write( "Stan H.
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