Chapter 6.4, Problem 2GP

To determine

To find: Percentage of change.

Answer to Problem 2GP

Percent of change is $12.5\%$

Percent of change is increase.

Explanation of Solution

Given information:

Original amount $=56$ inches

Final amount $=63$ inches.

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

Where

  $A=$ Amount of change.

  $O=$ Original amount.

From given information

Original amount $=56$ inches.

Final amount $=63$ inches

Amount of change = Final amount $-$ Original amount

  $\begin{array}{l}\Rightarrow A=63-56\\ \Rightarrow A=7\end{array}$

Therefore,

Percent of change $=\frac{7}{56}\times 100$

  $\Rightarrow$ Percent of change $=\frac{700}{56}$

  $\Rightarrow$ Percent of change $=12.5$

So, the Percent of change is $12.5\%$ and positive sign indicates that percent of increase.