Paisley needs to order some new supplies for the restaurant where she works.
The restaurant needs at least 521 spoons. There are currently 225 spoons.
If each set on sale contains 15 spoons, which inequality can be used to determine s, the minimum number of sets of spoons Paisley should buy? Answer
A. 15s+225≤ 521
B. 15s+225≥ 521
C. 15+225s≥ 521
D. 15+225s≤ 521