It walks on four legs in the morning, two legs at noon and three legs in the evening. what is it?

a person the crawl as a baby, stand up later, then use a cane

a person crawls on all fours when a baby, walks upright in the middle period of their life, and uses a walking stick when they are elderly.

Explanation:

18≥1.5x

then you're going to want to divide 18 by 1.5. this equals 12. so the answer would be 12.

aka, you can buy 12 peppers, at most.