Solving Rate Problems

Front

What is a ratio and how is it simplified?

Back

A ratio is a comparison of two quantities expressed as a fraction. To simplify a ratio, divide both terms by their greatest common divisor.

Front

How do you calculate the unit price of an item?

Back

To calculate the unit price, divide the total price by the total quantity (e.g., price per ounce, price per pound).

Front

What is the unit price of Oreos if they cost $2.98 for 15.5 oz?

Back

The unit price of Oreos is approximately $0.192 per ounce.

Front

What is the unit price of Chips Ahoy if they cost $2.50 for 14 oz?

Back

The unit price of Chips Ahoy is approximately $0.179 per ounce.

Front

Which is the better deal: Sara Lee Turkey at $6.58 per lb or Butterball Turkey at $11.16 for 2 lb?

Back

Sara Lee Turkey is the better deal at $6.58 per lb.

Front

How do you find the total cost of multiple items when given a price per item?

Back

Multiply the price per item by the number of items to find the total cost.

Front

If a package of sliced cheese costs $2.97 for 12 slices, what is the cost per slice?

Back

The cost per slice is $0.2475.

Front

How do you calculate the total number of copies a machine can print in a given time?

Back

To calculate the total number of copies, determine the rate of copies per minute and multiply by the total minutes.

Front

If a copy machine prints 480 copies every 4 minutes, how many copies does it print per minute?

Back

The machine prints 120 copies per minute.

Front

How many copies can a machine print in 10 minutes if it prints 120 copies per minute?

Back

The machine can print 1,200 copies in 10 minutes.