Workkeys Math Practice Test 2026 - Free Math Practice Questions and Study Guide

To find 20% of 150, you can use the formula for calculating a percentage:

First, convert the percentage to a decimal by dividing it by 100. So, 20% becomes 0.20.

Next, multiply this decimal by the number you are looking to find the percentage of:

0.20 * 150 = 30.

This calculation shows that 20% of 150 is indeed 30. Using this method ensures accuracy in finding percentages, which is a crucial skill in various real-life applications, such as budgeting, pricing, and statistical analysis.