SOLUTION: Could you please help me with this exercise please. B is twice as old as A. 10 years ago B’s age was ¾ of C’s age. If in 15 years A will be 30 years younger than C, how old will b

Algebra ->  Customizable Word Problem Solvers  -> Age -> SOLUTION: Could you please help me with this exercise please. B is twice as old as A. 10 years ago B’s age was ¾ of C’s age. If in 15 years A will be 30 years younger than C, how old will b      Log On

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Question 804700: Could you please help me with this exercise please.
B is twice as old as A. 10 years ago B’s age was ¾ of C’s age. If in 15 years A will be 30 years younger than C, how old will be C in 40 years?
thank you

Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
b=2a,
b-10=3(c-10)/4,
a+15=c+15-30,
d=c+40
a = 20, b = 40, c = 50, d = 90
c will be 90 in 40 years