Rates and Percents

Front

What is 45% as a fraction?

Back

Front

If Stacey types 37 words per minute, how many words will she type in 14 minutes?

Back

518 words

Front

Derek ran 18 miles in 2 hours. How many miles can he run in 5 hours?

Back

45 miles

Front

If Rebecca types 240 words in 5 minutes, how many words does she type per minute?

Back

48 words per minute

Front

The local Five Guys restaurant uses 600 pounds of potatoes a day. If they used 80% yesterday, how many pounds did they use?

Back

480 pounds

Front

What is the formula to convert a percent to a fraction?

Back

Divide the percent by 100.

Front

How do you calculate the total number of items based on a rate?

Back

Multiply the rate by the time.

Front

What is the relationship between rates and proportions?

Back

Rates can be expressed as proportions.

Front

How do you find the percent of a number?

Back

Multiply the number by the percent (as a decimal).

Front

What is the formula for finding the percent increase?

Back

Percent Increase = \frac{(New Value - Old Value)}{Old Value} \times 100%.