SOLUTION: my mommy is 4 times as old as i am. the sum of our age is 40. how old is mommy?

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Question 337407: my mommy is 4 times as old as i am. the sum of our age is 40. how old is mommy?
Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
x+4x=40
5x=40
x=8
4x=32