Use reasoning to lead to the answer of the following question:
While on vacation in Hawaii, Steve and Georgia decided to ship pineapples to their home. Each pineapple costs $1.25 and they buy a dozen. It will cost $21.00 to ship all of them to their home. How much will each pineapple end up costing them?

3
They bought 12 pineapples for $1.

25 apiece so 12 * 1.

25 = $15.

00.

The pineapples cost $15.

00 and it will cost $21.

00 to ship so all total, it costs 15 + 21 = $36.

00.

In total it costs $36.

00 to ship home a dozen pineapples so each pineapple costs 36 / 12 = $3.

00 apiece.

.

Thus, the answer is 3