Chapter 6, Problem 34CR

To determine

To calculate the percent increase.

Answer to Problem 34CR

25%

Explanation of Solution

Given:

Number of pints of chocolate chip sold last week: 88

Number of pints of chocolate chip sold this week: 110

Formula used:

  $\text{Percent error}=\frac{\text{New}-\text{Original}}{\text{Original}}\times 100$

Calculation:

Using the percent error and substituting the values,

  $\begin{array}{c}\text{Percent error}=\frac{\text{New}-\text{Original}}{\text{Original}}\times 100\\ =\frac{110-88}{88}\times 100\\ =\frac{22}{88}\times 100\\ =0.25\times 100\\ =25\end{array}$

Conclusion:

Therefore, the percent increase is 25%.