Sherrie receives 5 times as many phone calls as Carrie, and Carrie receives 5 less calls than Mary. If the total number of combined calls for them was 68 how ma
Mathematics
hopeaway72
Question
Sherrie receives 5 times as many phone calls as Carrie, and Carrie receives 5 less calls than Mary. If the total number of combined calls for them was 68 how many calls did Mary receive?
1 Answer

1. User Answers Anonym
let g, r and l be the calls received,
r=c−5 and g=5b=5(c−5)=5c−25
So, g+r+l=7c−30=68,
7c = 98. c = 14Mary received 14 calls.