Answer:
$24.
Explanation:
Let x represent cost of each tank top.
We have been given that a T-shirt cost 3 times as much a tank top, so the cost of each T-shirt would be
.
We have been given that Chris paid $36 for 3 similar tank tops and 2 similar T-shirts.
We can represent this information in an equation as:
The cost of each T-shirt:

Cost of two T-shirts would be

Therefore, Chris paid $24 for 2 T-shirts.