SOLUTION: Tommy is 1/4 the age of his grandmother.Their ages total 75 years How old is his grandmother? How old would Tommy be in five years time?

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Question 738937: Tommy is 1/4 the age of his grandmother.Their ages total 75 years
How old is his grandmother?
How old would Tommy be in five years time?
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
4t=g
t+g=75
t+4t=75
5t=75
t=15
g=60
tommy will be 20=t+5 and gramma will be 65