SOLUTION: Alice is 4 years younger than Ben and 9 years older than Carly their combined ages are 79. How old is Alice

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Question 549002: Alice is 4 years younger than Ben and 9 years older than Carly their combined ages are 79. How old is Alice
Answer by JBarnum(2146) About Me  (Show Source):
You can put this solution on YOUR website!
i used first letter of their names below
a=b-4
a=9+c
a+b+c=79
c=a-9
solve for b
%28b-4%29%2Bb%2B%28a-9%29=79
%28b-4%29%2Bb%2B%28%28b-4%29-9%29=79
3b-17=79
3b=96
b=32
a=b-4
a=32-4
a=28