Problema Solution
Bills number is four more then Mary. The average of their number is 36. What is each persons number
Answer provided by our tutors
let
b = Bills number
m = Marys number
Bills number is four more then Mary
b = 4 + m
the average of their number is 36
(b + m)/2 = 36
by solving the system of equations
b = 4 + m
(b + m)/2 = 36
we find
b = 38
m = 34
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Bill's number is 38.
Mary's number if 34.