Question

A printing service charges a set-up fee of $12.50 for each order and 7 cents more for each copy. The total cost, C (in dollars), for an order of x copies is given
by the following.
C =0.07x+12.50
What is the total cost for an order of 20 copies?
___ dollars

Answer 1

Answer: the total cost for an order of 20 copies is $13.9

Step-by-step explanation:

Let x represent the number of copies ordered.

The printing service charges a set-up fee of $12.50 for each order and 7 cents more for each copy.

The equation representing the total cost, C (in dollars), for an order of x copies is expressed as

C = 0.07x + 12.50

Therefore, the total cost for an order of 20 copies would be

C = 0.07 × 20 + 12.5

C = 1.4 + 12.5

C = 13.9 dollars