SOLUTION: Alvin is 15 years older than Elga. The sum of their ages is 89 . What is Elga's age?

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Question 1176421: Alvin is 15 years older than Elga. The sum of their ages is 89 . What is Elga's age?
Answer by josgarithmetic(39627) About Me  (Show Source):
You can put this solution on YOUR website!
E, Elga
E+15, Alvin

"The sum of their ages is 89".
highlight_green%28E%2B%28E%2B15%29=89%29
-
2E=89-15
2E=74
highlight%28highlight%28highlight%28E=37%29%29%29