Chapter 6.5, Problem 35IP

To determine

To find: Percentage of change.

Answer to Problem 35IP

Percent of change is $8.4\%$

Percent of change is a Discount.

Explanation of Solution

Given information:

Original price $=\$41.50$

Selling price $=\$45$ .

Concept:

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

Where

  $A=$ Amount of change.

  $O=$ Original price.

From given information

Original price $=\$41.50$

Selling price $=\$45$ .

Amount of change = Selling price $-$ Original price

  $\begin{array}{l}\Rightarrow A=45-41.50\\ \Rightarrow A=3.5\end{array}$

Therefore,

Percent of change $=\frac{3.5}{41.50}\times 100$

  $\Rightarrow$ Percent of change $=\frac{350}{41.50}$

  $\Rightarrow$ Percent of change $=8.4337$

To nearest tenth, the Percent of change is $8.4\%$ and Positive sign indicates that percent of change is a Markup.