Unit 5 Review

Front

Solve using a proportion: If 30 mins is to 60 mins, then how many mins is 15 mins to x mins?

Back

x = 7.5 mins

Front

A human blinks an average of 1,200 times an hour. How many times will a person blink in 1 hour?

Back

1,200 blinks

Front

A human blinks an average of 1,200 times an hour. How many times will a person blink in 4 hours?

Back

4,800 blinks

Front

A human blinks an average of 1,200 times an hour. How many times will a person blink in 4 1/2 hours?

Back

5,400 blinks

Front

25 is 40% of what number?

Back

62.5

Front

If 1 inch is equal to approximately 2.54 centimeters (cm), how many inches are in 16 cm?

Back

6.3 inches

Front

Convert 3 miles to feet: 3 miles = ______ feet (Hint: 1 mile = 5,280 ft.)

Back

15,840 feet

Front

What is the formula to calculate percentage?

Back

Percentage = (Part/Whole) x 100

Front

What is a proportion?

Back

A proportion is an equation that states that two ratios are equal.

Front

How do you convert inches to centimeters?

Back

Multiply the number of inches by 2.54.