Ratios and Rates Unit Review

Front

What is a ratio?

Back

A ratio is a comparison of two quantities that shows the relative size of one quantity to another, often expressed as 'a:b'.

Front

How do you calculate a rate?

Back

A rate is calculated by dividing one quantity by another, typically involving time, such as distance per hour.

Front

If a store sees 120 customers in 8 hours, how many customers do they see per hour?

Back

15 customers per hour.

Front

What is the ratio of blue triangles to red squares if there are 4 blue triangles and 3 red squares?

Back

4:3.

Front

What is the ratio of red squares to total shapes if there are 3 red squares and 4 blue triangles?

Back

3:7.

Front

How do you find the total number of customers seen in a given time?

Back

Multiply the number of customers per hour by the number of hours.

Front

Using a graph, how can you determine the time taken to make a certain amount of money?

Back

Find the point on the graph that corresponds to the desired amount and read the time from the x-axis.

Front

If it takes 8 hours to make $32, what is the rate of money made per hour?

Back

$4 per hour.

Front

How much money would be made in 6 hours if the rate is $2 per hour?

Back

$12.

Front

What does it mean if a ratio is simplified?

Back

A simplified ratio has no common factors other than 1, making it the simplest form.