Review Of Ratios, Rates and Percents

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

Ratios can be written in three ways: using a colon (e.g., 2:3), as a fraction (e.g., 2/3), or with the word 'to' (e.g., 2 to 3).

Front

What is the ratio of dogs to all pets if there are 2 dogs, 4 cats, and 5 hamsters?

Back

2:11

Front

If the ratio of people to cars is 3:5 and there are 30 people, how many cars are there?

Back

50 cars.

Front

What does it mean for two quantities to be in a proportional relationship?

Back

Two quantities are in a proportional relationship if they maintain a constant ratio.

Front

How do you find the unit price of an item?

Back

To find the unit price, divide the total price by the number of units.

Front

What is the unit price of Sargento cheese slices if they cost $2.48 for 10 slices?

Back

$0.248 per slice.

Front

What is the unit price of Velveeta cheese slices if they cost $3.18 for 12 slices?

Back

$0.265 per slice.

Front

Which is the better deal: Sargento or Velveeta cheese slices?

Back

Sargento is the better deal.

Front

What does the term 'percent' mean?

Back

A percent is a part in every hundred.