Week 11 Practice Problems

Front

What is the best way to compare prices of items at different stores?

Back

Calculate the price per unit (e.g., per can) to determine which store offers the best deal.

Front

If Han earns $33.00 for babysitting 4 hours, how do you find his hourly rate?

Back

Divide the total earnings by the number of hours: $33.00 ÷ 4 hours = $8.25 per hour.

Front

How do you calculate the distance an elevator travels in a given time?

Back

Use the formula: Distance = Speed × Time. First, find the speed (Distance ÷ Time) and then multiply by the new time.

Front

What is the formula to find the price per square foot of a home?

Back

Price per square foot = Total price ÷ Total square feet.

Front

How do you find the cost of a different quantity of items based on a known price?

Back

Find the price per item and then multiply by the new quantity.

Front

What is the unit rate?

Back

The unit rate is a comparison of two different quantities when they are combined together, expressed as a quantity of one.

Front

How do you convert a total cost into a price per unit?

Back

Divide the total cost by the number of units to find the price per unit.

Front

What is the importance of understanding ratios in pricing?

Back

Ratios help compare prices and determine the best value for money.

Front

How can you determine if a deal is better than another?

Back

Calculate the cost per unit for each deal and compare them.

Front

What is the relationship between time and distance in motion problems?

Back

Distance is directly proportional to time when speed is constant.