SOLUTION: Ishaan is 4 times as old as Umaima. 10 years ago, Ishaan was 9 times as old as Umaima. How old is Umaima now?

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Question 988097: Ishaan is 4 times as old as Umaima. 10 years ago, Ishaan was 9 times as old as Umaima.
How old is Umaima now?
Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
x=U.s age
4x is not I.s age
;
4x-10=9(x-10). That is 10 years ago ages for both.
4x-10=9x-90
-5x=-80
x=16 ; U.s age ANSWER
4x=64; I.s age.
10 years ago, they were 6 and 54, a 9-fold difference.