document.write( "Question 894642: Mr. Tanaka is 35 yrs old, and his son is 5. In how many yrs will MR. TANAKA be three times as old as his son? \n" ); document.write( "

Algebra.Com's Answer #542243 by ankor@dixie-net.com(22740) $\"\"$ $\"About$

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. Tanaka is 35 yrs old, and his son is 5. In how many yrs will MR. TANAKA be three times as old as his son?
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\n" ); document.write( "let y = no. of years for this to be true
\n" ); document.write( "y + 35 = 3(y+5)
\n" ); document.write( "y + 35 = 3y + 15
\n" ); document.write( "35 - 15 = 3y - y
\n" ); document.write( "20 = 2y
\n" ); document.write( "y = 20/2
\n" ); document.write( "y = 10 yrs
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\n" ); document.write( "In 10 yrs T will be 45 and son will be 15, (3 times as old as his son) \n" ); document.write( "

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