Question

Three dress shirts at the Big and tall store are priced at $79.99. How much will it cost to buy 5 shirts, assuming the unit price remains the same. Use the problem solving tactics.

Answer 1

The easiest way to solve this problem is probably cost multiplying.
79.99. x
——— = — ,
3 5
which gets 3x=399.95, and then you divide both sides by 3, which would be approximately 133$. Five shirts would cost 133$.

Answer 2

It will cost $133.32

Explanation:

Divide 79.99 by three, getting the cost of one shirt. Multiply that answer by 5.