document.write( "Question 987709: Encik Ahmad's age is three times his son's age. 10 years ago, he was five times his son's age. Calculate the age of Encik Ahmad and his son respectively. \n" ); document.write( "
Algebra.Com's Answer #608455 by macston(5194)\"\" \"About 
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\n" ); document.write( "F=father's age=3S; S=son's age
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\n" ); document.write( "F-10=5(S-10)
\n" ); document.write( "3s-10=5S-50
\n" ); document.write( "40=2S
\n" ); document.write( "20=S ANSWER 1: the son is 20 years old.
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\n" ); document.write( "F=3S=3(20)=60 ANSWER 2: Father is 60 years old.
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\n" ); document.write( "CHECK:
\n" ); document.write( "F-10=5(S-10)
\n" ); document.write( "60-10=5(20-10)
\n" ); document.write( "50=5(10)
\n" ); document.write( "50=50
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