## Working With Units

## Work Time

# Working With Units

Understanding what the units mean when you find a rate or use a rate is just as important as calculating correctly.

Write the appropriate unit for each statement.

- Divide a quantity in minutes by a quantity in laps.
- Divide a quantity in beats by a quantity in minutes.
- Divide a quantity in miles by a quantity in hours.
- Multiply the answer from (c) by a quantity in hours.

## Hint:

- When you divide to find a rate, the unit of the quotient is expressed in the form A per B .
- Think of 30 minutes ÷ 5 laps. What would the unit in the answer be?