SOLUTION: Christina's age is four years less than twice theodoras age. In two years, Theodoras age will be three-quarters of christinas age. How old is each girl now?
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Question 1098427: Christina's age is four years less than twice theodoras age. In two years, Theodoras age will be three-quarters of christinas age. How old is each girl now? Answer by ikleyn(52794) (Show Source):
The condition says:
C = 2T - 4, (1)
T + 2 = . (2)
Substitute (replace) "C" in eq(2) by 2T-4, based on eq(1). You will get
T + 2 =
and simplify:
4*(T+2) = 3*(2T-2) ====> 4T + 8 = 6T - 6 ====> 8 + 6 = 6T - 4T ====> 2T = 14 ====> T = 7.
Answer. T is 7 years now. The C's age is 10 years.
