Use reasoning to lead to the answer of the following question:
Olivia pays 4 quarters for chips and 12 quarters for soda. How many dollars does she pay in total?

4
4 quarters equals to 4 / 4 = $1.

12 quarters equals to 12 / 4 = $3.

She pays 1 + 3 = $4 in total.

.

The answer is 4