SOLUTION: Spencer is 4 years older than Bianca. In 9 years the sum of their ages will be 58. How old is Spencer now?

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Question 1171062: Spencer is 4 years older than Bianca. In 9 years the sum of their ages will be 58. How old is Spencer now?
Answer by josgarithmetic(39630) About Me  (Show Source):
You can put this solution on YOUR website!
Bianca is 4 years younger than Spencer, y.
Bianca, y-4.

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In 9 years the sum of their ages will be 58.
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%28y-4%29%2B9%2By%2B9=58
-
2y%2B14=58
y%2B7=29
highlight%28y=22%29