Answer:
It will be 9 weeks before
Explanation:
Given the functions:
m = 11w + 67
m = 17w + 13
To find the number of weeks (w) it will take before Store B sells as many mugs as Store A, we have:
11w + 67 = 17w + 13
17w - 11w = 67 - 13
6w = 54
w = 54/6 = 9
