Answer:
40
Step-by-step explanation:
Find the total time needed for each customer = 1/4 + 1/6 = 3/12 + 2/12 = 5/12
find total hours worked in a week now = 10/3 x 5 = 50/3
divide total hours by each customers time
50/3 / 5/12 = 50/3 x 12/5 = 600/ 15
Simplify = 40
