SOLUTION: Macy Sydney and Eli are sisters Macy is two years older than Sydney and Ally is one year less than half the age of Sydney if the sum of their ages is 31 how old is Macy

Question 1145752: Macy Sydney and Eli are sisters Macy is two years older than Sydney and Ally is one year less than half the age of Sydney if the sum of their ages is 31 how old is Macy
Answer by greenestamps(13200) (Show Source): You can put this solution on YOUR website!

Sydney = x
Macy = x+2 [2 years older than Sydney]
Ally = (1/2)x-1 [1 year less than half Sydney's age]

Write and solve the equation that says the sum of their ages is 31:

Solve using basic algebra.
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