document.write( "Question 1054809: 5 yrs ago the age of peter was 4 times the age of his son. If the sum of the present age is 60 yrs find the peters present age. \n" ); document.write( "
Algebra.Com's Answer #670003 by ewatrrr(24785)\"\" \"About 
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x son's age, (60-x) peter's age NOW
\n" ); document.write( "5yrs ago...
\n" ); document.write( "(60-x) - 5 = 4(x-5)
\n" ); document.write( "55-x = 4x - 20
\n" ); document.write( "75 = 5x
\n" ); document.write( "x = 15, son's age. Peter 45.
\n" ); document.write( "checking
\n" ); document.write( "5yrs ago...
\n" ); document.write( "40 = 4*10 CHECKS!
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