Question 1089269: Mary grace is 25yrs younger than her mother. In 4yrs her mother will be twice as old at marygrace. how old are they now? Found 2 solutions by josmiceli, MathTherapy:Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website! Let = Mary Grace's age now
Let = her mother's age now
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(1)
(2)
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(2)
(2)
and
(1)
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Subtract (2) from (1)
(1)
(2)
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and
(1)
(1)
(1)
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Mary Grace is 21
Her mother is 46
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check:
Mary Grace is 25 years younger -TRUE
In 4 years her mother will be 50
In 4 years Mary Grace will be 25
Mother will be twice as old -TRUE