Ratios and Rates

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 rate?

Back

A rate is a specific kind of ratio that compares two different units, such as miles per hour or cost per item.

Front

How do you simplify a ratio?

Back

To simplify a ratio, divide both terms by their greatest common factor.

Front

What does it mean for two ratios to be equivalent?

Back

Two ratios are equivalent if they represent the same relationship between quantities, even if the numbers are different.

Front

If a ratio is 16:2, what is its simplest form?

Back

The simplest form of 16:2 is 8:1.

Front

How do you find the unit rate from a total cost?

Back

To find the unit rate, divide the total cost by the number of items.

Front

What is the unit rate if 12 shrubs cost $96?

Back

The unit rate is $8 per shrub.

Front

If an airplane travels 289 miles in 2 hours, what is its speed in miles per hour?

Back

The speed is 144.5 miles per hour.

Front

How do you calculate the total cost for multiple items based on unit price?

Back

Multiply the unit price by the number of items.

Front

If a box of strawberries costs $5 for 2 pounds, how much do 10 pounds cost?

Back

10 pounds cost $25.