Proportions Word Problems

Front

What is a proportion?

Back

A proportion is an equation that states that two ratios are equal.

Front

How do you solve a proportion?

Back

To solve a proportion, cross-multiply the two ratios and set them equal to each other.

Front

What is the formula for finding the total amount in a word problem involving rates?

Back

Total Amount = Rate × Time.

Front

If 60 gallons of water are pumped in 2 hours, how many gallons are pumped in 1 hour?

Back

30 gallons.

Front

If Nick walked ¾ of a mile in 12 minutes, what is his walking rate in miles per minute?

Back

0.0625 miles per minute.

Front

How do you find the time taken to complete a task at a constant rate?

Back

Time = Distance ÷ Rate.

Front

What is the relationship between hours practiced and weeks in Jason's karate problem?

Back

The relationship is linear; if he practices 18 hours in 3 weeks, he practices 6 hours per week.

Front

How many pages did Pete read if he read six fewer pages than Margo?

Back

Margo read 42 pages, so Pete read 36 pages.

Front

What is the total number of brownies made if 3 eggs are used for 18 brownies?

Back

The ratio is 1 egg for 6 brownies.

Front

How many eggs are needed for 48 brownies?

Back

8 eggs.