Hugh bought a 50 -quart bag of potting soil. He used 30% of the bag to fill a large pot. He will use the rest of the potting soil to fill smaller pots. He needs 3 quarts of soil to fill every 5 smaller pots. Which expression can Hugh use to find the number of smaller pots he can fill with soil?
A. 0.3 x 50/5 x 3
B. 0.3 x 50/3 x 5
C. 0.7 x 50/5 x 3
D. 0.7 x 50/3 x 5