Chapter 4.2, Problem 67SR

To determine

To write: two equivalent expressions for the total cost of four movie tickets and four bags of popcorn, and to find the total cost.

Answer to Problem 67SR

First expression of total cost of 4 movie tickets and 4 popcorn bags will be:

  $4\cdot 7+4\cdot 3$ .

The second expression of total cost of 4 movie tickets and 4 popcorn bags will be:

  $4\cdot \left(7+3\right)$ .

Explanation of Solution

Given information:

Cost of ticket $=\$7$

And

Cost of Popcorn $=\$3$

Calculation:

Now, first expression of total cost of 4 movie tickets and 4 popcorn bags will be:

  $4\cdot 7+4\cdot 3$

And, the second expression of total cost of 4 movie tickets and 4 popcorn bags will be:

  $\begin{array}{l}=4\cdot 7+4\cdot 3\\ =4\left(7+3\right)\text{Distributive}\text{property}\end{array}$