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?

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) (Show Source): You can put this solution on YOUR website!

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:

.
.
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