Chapter 13.2, Problem 31STP

To determine

To find: the number of soft drink student council have to sell to make profit of $\$250$ .

Answer to Problem 31STP

The correct choice is  $J$ .

Explanation of Solution

Given:

Student council sell soft drinks $\$1.50$ each.

Student council pays $\$75$ rent to the concession stand.

Concept used:

Unitary method:

  $\text{value of unit=}\frac{\text{total value}}{\text{no}\text{.of units}}$ .

Here value is in dollar and number of units is $x$ .

Calculation:

Let  $x$  be the number of soft drinks that they have to sell to make a profit of  $\$250$ .

  $\begin{array}{l}1.50x=250+75.\\ 1.50x=325.\\ x=217.\end{array}$

Hence, the correct choice is  $J$ .