SOLUTION: 1. Emerald is 5 years older than Sapphire. Ruby is twice as old as Sapphire. The sum of the three ages is 65. How old is each?

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Question 1148659: 1. Emerald is 5 years older than Sapphire. Ruby is twice as old as Sapphire. The sum of the three ages is 65. How old is each?
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
system%28e=s%2B5%2Cr=2s%2Ce%2Br%2Bs=65%29
Solve in the way you want.

First equation is e in terms of s.
Second equation is r in terms of s.

Try substituting into last equation:
%28s%2B5%29%2B2s%2Bs=65
.
.