Chapter 6.5, Problem 32IP

To determine

To find: Percentage of change.

Answer to Problem 32IP

Percent of change is $170.0\%$

Percent of change is a Markup.

Explanation of Solution

Given information:

Original price $=\$140.75$

Selling price $=\$379.99$ .

Concept:

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

Where

  $A=$ Amount of change.

  $O=$ Original price.

From given information

Original price $=\$140.75$

Selling price $=\$379.99$ .

Amount of change = Selling price $-$ Original price

  $\begin{array}{l}\Rightarrow A=379.99-140.75\\ \Rightarrow A=239.24\end{array}$

Therefore,

Percent of change $=\frac{239.24}{140.75}\times 100$

  $\Rightarrow$ Percent of change $=\frac{23924}{140.75}$

  $\Rightarrow$ Percent of change $=169.9751$

To nearest tenth, the Percent of change is $170.0\%$ and Positive sign indicates that percent of change is a Markup.