Chapter 6.4, Problem 8IP

To determine

To find: Percentage of change.

Answer to Problem 8IP

Percent of change is $33.3\%$

Percent of change is increase.

Explanation of Solution

Given information:

Original amount $=\$36$

Final amount $=\$48$

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

Where

  $A=$ Amount of change.

  $O=$ Original amount.

From given information

Original amount $=\$36$

Final amount $=\$48$

Amount of change = Final amount $-$ Original amount

  $\begin{array}{l}\Rightarrow A=48-36\\ \Rightarrow A=12\end{array}$

Therefore,

Percent of change $=\frac{12}{36}\times 100$

  $\Rightarrow$ Percent of change $=\frac{1200}{36}$

  $\Rightarrow$ Percent of change $=33.333$

To the nearest tenth, Percent of change is $33.3\%$ and positive sign indicates that percent of increase.