Proportion 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 terms and then solve for the unknown variable.

Front

What is a ratio?

Back

A ratio is a comparison of two quantities, showing how many times one value contains or is contained within the other.

Front

If 12 ounces of shampoo lasts 16 weeks, how long will 18 ounces last?

Back

24 weeks.

Front

What is the formula for finding the actual distance using a scale?

Back

Actual Distance = Scale Distance × Scale Factor.

Front

If the ratio of sugar to flour is 1:5, how much sugar is needed for 25 cups of flour?

Back

5 cups.

Front

What is the scale in a map?

Back

The scale is a ratio that compares a distance on the map to the actual distance it represents.

Front

If a garden is 45 ft wide and 70 ft long, what is the length on a drawing if the width is 9 in?

Back

14 in.

Front

How do you find the unit rate?

Back

To find the unit rate, divide the quantity by the number of units.

Front

If Will spent $3.75 for 3 pounds of granola, how many pounds can he buy for $10?

Back

8 pounds.