SOLUTION: Tom is y years old. (a) how old was he 3 years ago? (b) how old will she be in 4 years time? (c) find her age, if half of what she was 3 years ago is equal to one-third of whats

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Question 843449: Tom is y years old.
(a) how old was he 3 years ago?
(b) how old will she be in 4 years time?
(c) find her age, if half of what she was 3 years ago is equal to one-third of whatshe will be in 4 years time

Answer by hamsanash1981@gmail.com(151)   (Show Source): You can put this solution on YOUR website!
3 years ago his age will be = y-3
4 years after his age will be = y +4
1/2(y-3) = 1/3(y+4)
3(y-3) = 2(y +4)
3y-9 = 2y +8
y = 8+9
y = 17
Tom's age = 17

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