SOLUTION: Rebecca's mother is 4 times as old as Rebecca is now. In 6 years, Rebecca's mother will be 3 times as old as Rebecca will be then. What is Rebecca's age now, in years?
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Question 525937: Rebecca's mother is 4 times as old as Rebecca is now. In 6 years, Rebecca's mother will be 3 times as old as Rebecca will be then. What is Rebecca's age now, in years? Answer by oberobic(2304) (Show Source):
You can put this solution on YOUR website! M = 4*R
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In 6 years
M+6
R+6
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(M+6) = 3*(R+6)
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substitute
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(4*R +6) = 3*(R+6)
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4R +6 = 3R + 18
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R = 12
M = 4*12 = 48
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check in 6 years
M+6 = 54
12+6 = 18
3*18 = 54
Correct
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Answer: Rebecca is 12 years old.
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Done.
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