Mary H. answered 03/03/18
Tutor
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Patient, easily-understood Math Instructor
Sameer,
Your question is confusing. You can write more in the body than in the heading; you might want to try that next time.
I assume you want to add how much three people spent, and divide that amount among five people. First, you have the person who got money back -- you have to subtract the 312 from 1200.
1200 - 312 = 888 Then add how much everyone spent.
710 + 285 + 888 = ? You can do the addition; just work on it.
Once you get that answer, you divide it by 5.
It is a multi-step problem. Keep working on it; you can do it!
Mary