Unit 4 Flashcard( %)

Front

What is the formula to find the original amount when given a percentage of it?

Back

Original Amount = Given Amount / (Percentage / 100)

Front

If 15% of a ribbon is 21 inches, how do you find the total length of the ribbon?

Back

Total Length = 21 inches / 0.15 = 140 inches

Front

How do you calculate 19% of a total amount?

Back

Multiply the total amount by 0.19.

Front

If Grace earned $90 and saved 19%, how much did she save?

Back

$90 * 0.19 = $17.10

Front

What is the process to convert a decimal to a percentage?

Back

Multiply the decimal by 100 and add a percent sign.

Front

Convert 0.45 to a percent.

Back

0.45 * 100 = 45%.

Front

How do you calculate a percentage of a budget?

Back

Multiply the budget amount by the percentage (in decimal form).

Front

If a budget is $90, what is 30% of it?

Back

$90 * 0.30 = $27.

Front

What is the formula to calculate distance traveled?

Back

Distance = Speed * Time.

Front

If a car travels at 60 miles per hour for 3.5 hours, how far does it travel?

Back

Distance = 60 miles/hour * 3.5 hours = 210 miles.