Question 531287
Fatima's daughter is 24 years younger than Fatima.
The mean of Fatima's and Fatima's daughters age is 30.
What is Fatima's daughter's age?
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Equatios:
d = F-24
(d + F-24)/2 = 30
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Substitute for F and solve for "d":
(d + d+24))/2 = 30
(2d+24)/2 = 30
d + 12 = 30
daughter = 18 yrs old 
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Cheers,
Stan H.
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