Question

Let C = total cost, and t = number of t-shirts. Using the following equation C = 4t + 160, how much will it cost for 30 t-shirts?

Answer 1

280 (see below)

Explanation:

If C = total cost and t = number of t-shirts, then for 30 shirts, plug the amount of shirts into the variable for shirts in the equation given:

C = 4t + 160

C = 4 (30) + 160

C = 120 + 160

C = 280

Answer 2

$280

Explanation:

4(30)+160

120+160

280