document.write( "Question 808204: the sum of ages of fandi and ahmad is 38. seven years ago, fandi was three times as oldas ahmad. find their present ages. \n" ); document.write( "

Algebra.Com's Answer #486868 by JBarnum(2146) $\"\"$ $\"About$

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THE PROBLEM IS TALKING 7 YEARS IN THE PAST SO ALL PRESENT AGES MUST HAVE 7 YEARS DEDUCTED FROM THEM.
\n" ); document.write( "THE 2 EQUATIONS LOOK LIKE:
\n" ); document.write( " $\"%28F-7%29%2B%28A-7%29=38\"$
\n" ); document.write( " $\"%28F-7%29=3%28A-7%29\"$
\n" ); document.write( "DUE TO THE \"WAS\" IN THE SECOND SENTENCE THIS INDICATES THAT BOTH AGES ARE REFEREED TO 7 YEARS AGO. DON'T MISS THIS IMPORTANT WORD.
\n" ); document.write( " $\"%28F-7%29%2B%28A-7%29=38\"$
\n" ); document.write( " $\"%28F%2BA-14%29=38\"$
\n" ); document.write( " $\"F%2BA=52\"$
\n" ); document.write( " $\"highlight%28F=52-A%29\"$
\n" ); document.write( " $\"%28F-7%29=3%28A-7%29\"$
\n" ); document.write( " $\"%2852-A%29-7=3A-21\"$
\n" ); document.write( " $\"66=4A\"$
\n" ); document.write( " $\"highlight_green%2816.5=A%29\"$
\n" ); document.write( " $\"F=52-%2816.5%29\"$
\n" ); document.write( " $\"highlight_green%28F=35.5%29\"$
\n" ); document.write( " \n" ); document.write( "

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