#2.21 Flashcardizz - 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 two ratios and set the products equal to each other.

Front

What is the unit rate?

Back

The unit rate is a comparison of two different quantities when they are combined together, expressed as a quantity per one unit.

Front

If 3 pounds of granola cost $3.75, what is the cost per pound?

Back

The cost per pound is $1.25.

Front

What is the formula to find the missing value in a proportion?

Back

If a/b = c/d, then ad = bc.

Front

What does a ratio of 1:5 mean in terms of quantities?

Back

For every 1 part of the first quantity, there are 5 parts of the second quantity.

Front

If Myesha uses 25 cups of flour, how much sugar is needed if the ratio is 1:5?

Back

5 cups of sugar are needed.

Front

How do you find the total amount based on a unit rate?

Back

Multiply the unit rate by the total number of units.

Front

If Angel types 15 words in 10 seconds, how many words can he type in 1 minute?

Back

He can type 90 words in 1 minute.

Front

What is the relationship between the size of a bottle and how long it lasts?

Back

Larger bottles typically last longer if the usage rate remains the same.