Ratios and Unit Rates

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 to b' or a:b.

Front

How do you calculate a unit rate?

Back

To calculate a unit rate, divide the quantity of one item by the quantity of another item, typically expressed as 'per unit' (e.g., miles per hour, dollars per item).

Front

If 4 concert tickets cost $124, what is the cost of 1 ticket?

Back

$31 per ticket (calculated by dividing $124 by 4).

Front

What is the unit rate if Elijah earns $200 for 8 hours of work?

Back

$25 per hour (calculated by dividing $200 by 8).

Front

What is the ratio of girls to boys if there are 9 girls and 7 boys?

Back

9 to 7 or 9:7.

Front

How do you determine the better buy between two products?

Back

Calculate the unit price for each product and compare them; the lower unit price indicates the better buy.

Front

If an 8 pack of juice boxes costs $4.79, what is the cost per juice box?

Back

$0.60 per juice box (calculated by dividing $4.79 by 8).

Front

What is the ratio of quarters to dimes if there are 8 quarters and 10 dimes?

Back

4 to 5 or 4:5.

Front

How do you express a ratio in simplest form?

Back

Divide both quantities in the ratio by their greatest common divisor (GCD).

Front

What is a rate?

Back

A rate is a specific kind of ratio that compares two different kinds of quantities, such as speed (miles per hour) or price (cost per item).