Question 1001997: Tom is 4 times as old as Todd. In 6 years Tom's age will be 3 years less than 3 times as old as Todd. How old is Todd? Answer by macston(5194) (Show Source):
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D=Todd's age; M=Tom's age=4D
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M+6=3(D+6)-3
4D+6=3D+18-3
4D+6=3D+15
D=9
ANSWER: Todd is 9 years old
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CHECK:
M=4D=4(9)=36
Tom is 36 years old.
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M+6=3(D+6)-3
36+6=3(9+6)-3
42=3(15)-3
42=45-3
42=42