Solve Ratio and Proportion Problems

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

What is a proportion?

Back

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

Front

How do you solve a ratio problem?

Back

To solve a ratio problem, set up a proportion and cross-multiply to find the unknown value.

Front

If 50 apples cost $25, what is the cost of 1 apple?

Back

$0.50 per apple.

Front

If 4 pages take 18 minutes to read, how long does it take to read 1 page?

Back

4.5 minutes per page.

Front

If Aiden and Maya can pack 39 boxes in 3 hours, how many boxes can they pack in 1 hour?

Back

13 boxes per hour.

Front

If 13 candy bars weigh 26 ounces, how much does 1 candy bar weigh?

Back

2 ounces per candy bar.

Front

If 24 loaves of bread cost $48, what is the cost of 1 loaf?

Back

$2.00 per loaf.

Front

How do you find the total cost for a different quantity using a unit rate?

Back

Multiply the unit rate by the new quantity.

Front

What is the formula for finding the total number of items packed over time?

Back

Total items = (items per hour) x (total hours).