Each week a restaurant serving Mexican food uses the same volume of ch

Tough and Tricky questions: Word Problems.

Each week a restaurant serving Mexican food uses the same volume of chili paste, which comes in either 25-ounce cans or 15-ounce cans of chili paste. If the restaurant must order 40 more of the smaller cans than the larger cans to fulfill its weekly needs, then how many smaller cans are required to fulfill its weekly needs?

A) 60
B) 70
C) 80
D) 100
E) 120

Kudos for a correct solution.

Source: Chili Hot GMAT