so a box has 5.2 oz
it takes 0.7 oz to clean one load
with 3 boxes (3 times 5.2) how many can be cleaned
3 times 5.2=15.6
15.6/0.7=156/7 how many loads=22 and 2/7 =22.285 loads or less than 22 loads (since you can't clean a decimal of a load)
22 Loads is the answer
