document.write( "Question 841699: peter is 1/4 as old as john. in 5 years time, peter will be 1/3 as old as john. how old is peter now? \n" ); document.write( "
Algebra.Com's Answer #507136 by ankor@dixie-net.com(22740)\"\" \"About 
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peter is 1/4 as old as john.
\n" ); document.write( "p = \"1%2F4\"j
\n" ); document.write( "multiply both sides by 4
\n" ); document.write( "4p = j
\n" ); document.write( " in 5 years time, peter will be 1/3 as old as john.
\n" ); document.write( "p + 5 = \"1%2F3\"(j+5)
\n" ); document.write( "multiply both sides by 3
\n" ); document.write( "3(p+5) = j + 5
\n" ); document.write( "3p + 15 = j + 5
\n" ); document.write( "3p = j + 5 - 15
\n" ); document.write( "3p = j - 10
\n" ); document.write( "Replace j with 4p
\n" ); document.write( "3p = 4p - 10
\n" ); document.write( "10 = 4p - 3p
\n" ); document.write( "p = 10
\n" ); document.write( " how old is peter now? 10 yrs old \n" ); document.write( "
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