Question

lucía purchased a collectors edition book for $150. however, a few pages were missing, reducing its value to $127.50. what is the percent decrease in the value of the book? 1.18% 18% 15% 0.15%

Explanation:

Step1: Recall percent - decrease formula

Percent decrease=$\frac{\text{Original value}-\text{New value}}{\text{Original value}}\times100\%$

Step2: Identify original and new values

The original value of the book is $\$150$, and the new value is $\$127.50$.

Step3: Calculate the difference

$150 - 127.50=22.5$

Step4: Calculate the percent - decrease

Percent decrease=$\frac{22.5}{150}\times 100\%$
$=\frac{2250}{150}\%$
$ = 15\%$

Answer:

$15\%$