Chapter 3 - Equations and Problem Solving - 3.2 - Equations and Problem Solving - Problem Set 3.2 - Page 107: 64

The other item costs 18.

Let X represent the cost of the other item. One of the items costs 25 dollars and both items cost 43 dollars total. Thus, we obtain: 25 + X = 43 Subtract 25 from both sides. Thus, we obtain: X = 18