Ratios, Rates, Percentages Unit Test

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 calculate the unit price?

Back

To calculate the unit price, divide the total cost by the number of items.

Front

What is the formula for calculating percentage?

Back

Percentage = (Part / Whole) x 100.

Front

What does 25% of 200 equal?

Back

25% of 200 equals 50.

Front

What does 20% of 250 equal?

Back

20% of 250 equals 50.

Front

What is the denominator in a percentage calculation?

Back

The denominator in a percentage calculation is always 100.

Front

If a store has 35 aisles and 20% are seasonal, how many aisles are seasonal?

Back

7 aisles are seasonal (20% of 35).

Front

If 20% of 35 aisles are seasonal, how many are not seasonal?

Back

28 aisles are not seasonal (35 - 7).

Front

What is a rate?

Back

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

Front

What is the difference between a ratio and a rate?

Back

A ratio compares two quantities of the same kind, while a rate compares quantities of different kinds.