Unit 2 Review

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

How do you write a ratio?

Back

Front

What is the ratio of pears to bananas and apples in a fruit bowl with 4 apples, 2 bananas, and 5 pears?

Back

The ratio of pears to bananas and apples is 5:6.

Front

How do you calculate the percentage discount on an item?

Back

To calculate the percentage discount, multiply the original price by the discount percentage (as a decimal) and subtract that amount from the original price.

Front

If a computer costs $1,200 and is on a 20% discount, how much do you save?

Back

You save $240 by buying the computer this week.

Front

What is the relationship between tenants and cars if the ratio is 3:5?

Back

For every 3 tenants, there are 5 cars.

Front

If there are 30 tenants in an apartment building, how many cars are there if the ratio of tenants to cars is 3:5?

Back

There are 50 cars.

Front

How do you find the distance traveled if you know the speed and time?

Back

Distance = Speed × Time.

Front

If a car travels 160 miles in 4 hours, how far will it travel in 7 hours?

Back

The car will travel 280 miles in 7 hours.

Front

What is NOT a way to write a ratio?

Back

3 - 5 is NOT a way to write a ratio.