7th grade math
posted by kelly .
jess, marie, and emily are sisters. The sum of their ages is 118. Emily is twice jess's age. Jess is 7 years older than Marie. How old is each girl?

7th grade math 
bobpursley
E+M+J=118
2J+J7 +J=118 
7th grade math 
kelly
Hi Bob, I got that part but I still can't figure out how old each one is
help 
7th grade math 
bobpursley
Hi Bob , I got that part but I still can't figure out how old each one is , or rather I believe I know the answers
jesse 31.25 emily 62.5 & marie 24.25
The problem I have is breaking that formal down to a simply equation and I can't figure it out 
7th grade math 
Anonymous
Emily is 68 years old. Colin is 17 years older than Emily. Dan is 16 years younger than Emily. What is the total of their combined ages?
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