Problema Solution
Andrea works twice as many hours a week as Gwen works. Andrea works 12 more hours a week than gwen. How many hours a week does each girl work?
Answer provided by our tutors
let
a = the number of hours Andrea works
g = the number of hours Gwen works
Andrea works twice as many hours a week as Gwen works:
a = 2g
Andrea works 12 more hours a week than Gwen:
a = 12 + g
by solving the system of equations:
a = 2g
a = 12 + g
we find:
a = 24 hours
g = 12 hours
click here to see the step by step solution of the system of equations:
Andrea works 24 hours per week.
Gwen works 12 hours per week.