Question

Find the percent increase or decrease. Round to the nearest percent.

From 180 pencils to 52 pencils.

a) 245%
b) 71%
c) -71%
d) -245%

Answer 1

The percent decrease from 180 pencils to 52 pencils is approximately 71% after calculating the change in quantity and using the percent decrease formula rounded to the nearest percent.

Step-by-step explanation:

To find the percent decrease when going from 180 pencils to 52 pencils, use the following steps:

1. Identify the original quantity, which is 180 pencils.
2. Identify the new quantity, which is 52 pencils.
3. Find the change in quantity: 180 - 52 = 128 pencils.
4. Calculate the percent decrease using the formula: ((change in quantity) / (original quantity)) × 100%.
5. Plug the knowns into the equation: ((128) / (180)) × 100% = 71.11%.
6. Round to the nearest percent: 71%.

Therefore, the percent decrease from 180 pencils to 52 pencils is approximately 71%, which corresponds to answer choice (c).