Kim buys 3 pizzas. They are 12 slices each. The pizza cost $72. How much did 5 slices cost?
Please answer the following question by reasoning step-by-step.
10
he got 3 * 12 = 36 slices.

So each slice cost 72 / 36 = $2.

So 5 slices would cost 5 * 2 = $10.

.

So, the answer is 10