SOLUTION: A man is 8 times as old as his son. In five years time he will be only four times as old. How old is the son now ?
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Question 306872: A man is 8 times as old as his son. In five years time he will be only four times as old. How old is the son now ?
Answer by JBarnum(2146) (Show Source): You can put this solution on YOUR website!
M=8S
M+5=4(S+5)
8S+5=4S+20
4S=15
S=15/4
M=8(15/4)
M=2(15)
M=30 yo
S=3 3/4 yo or 3.75yo
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