Rate, Measurement, and Percent Problems

Front

What is the formula to calculate the rate?

Back

Rate = Total Quantity / Time

Front

If Oakleigh restocks 147 books in 3 hours, how many books does she restock in 1 hour?

Back

49 books

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 find the missing value in a ratio table?

Back

Use equivalent ratios to find the missing value by setting up a proportion.

Front

What does percent mean?

Back

Percent means 'per hundred' and is a way to express a number as a fraction of 100.

Front

How do you calculate what percentage one number is of another?

Back

Percentage = (Part / Whole) x 100

Front

If 9 is 36% of a number, how do you find that number?

Back

Number = Part / (Percentage / 100) = 9 / 0.36 = 25

Front

What is the total number of animals at the shelter if there are 30 animals with 12 dogs, 15 cats, and 3 rabbits?

Back

30 animals

Front

How do you calculate the percentage of dogs in the animal shelter?

Back

Percentage of dogs = (Number of dogs / Total animals) x 100 = (12 / 30) x 100 = 40%.

Front

What is the conversion factor between gallons and quarts?

Back

1 gallon = 4 quarts