Chapter 6.5, Problem 34IP

To determine

To find: Percentage of change.

Answer to Problem 34IP

Percent of change is $7.1\%$

Percent of change is a Discount.

Explanation of Solution

Given information:

Original price $=\$28$

Selling price $=\$26$ .

Concept:

Percent of change $=\frac{A}{O}\times 100$

Where

  $A=$ Amount of change.

  $O=$ Original price.

From given information

Original price $=\$28$

Selling price $=\$26$ .

Amount of change = Selling price $-$ Original price

  $\begin{array}{l}\Rightarrow A=26-28\\ \Rightarrow A=-2\end{array}$

Therefore,

Percent of change $=\frac{-2}{28}\times 100$

  $\Rightarrow$ Percent of change $=\frac{-200}{28}$

  $\Rightarrow$ Percent of change $=-7.1428$

To nearest tenth, the Percent of change is $7.1\%$ and Negative sign indicates that percent of change is a Discount.