Eureka Math Lesson 3 Comparing Quantities with Percent Solutions

When determining relationships between values expressed as percentages, focus on identifying the correct proportional calculations. This process involves comparing the part to the whole to find the percentage value or vice versa.

For example: If the problem asks what percent a number is of another, divide the part by the total and multiply by 100 to find the percentage. For instance, to find what percent 25 is of 200, calculate (25 / 200) * 100 = 12.5%.

Another key calculation: If the task asks for a specific portion of a value based on a given percentage, multiply the total by the percentage. For example, 20% of 150 is calculated as 150 * 0.20 = 30.

These simple mathematical steps are crucial for comparing numerical data in terms of percent and help in solving a wide range of percentage-related problems efficiently.