Real-Life Applications of Multiplying Rational Numbers

A recipe calls for 2/3 cup of sugar. If you want to make 4 batches of the recipe, how much sugar will you need in total?

• 2 and 2/3 cups

• 4 cups

• 1 and 1/3 cups

• 3 cups

A car travels 3/4 of a mile in 1/2 hour. How far does the car travel in 1 hour?

• 1.5 miles

• 2 miles

• 1 mile

• 0.75 miles

A gardener plants 5/6 of a garden with flowers. If the total area of the garden is 12 square meters, how much area is planted with flowers?

• 10 square meters

• 8 square meters

• 12 square meters

• 6 square meters

A baker uses 1/4 of a pound of flour for each loaf of bread. How much flour is needed for 6 loaves?

• 2 pounds

• 1.5 pounds

• 3/4 pounds

• 1 pound

A painter uses 2/5 of a gallon of paint for one wall. How much paint will be needed for 3 walls?

• 2 gallons

• 1 gallon

• 1.5 gallons

• 1.2 gallons

A school has 3/8 of its students participating in a science fair. If there are 240 students in total, how many students are participating?

• 120

• 60

• 75

• 90

A recipe requires 1/2 cup of oil. If you want to triple the recipe, how much oil will you need?

• 1 1/2 cups of oil

• 2 cups of oil

• 1 cup of oil

• 3/4 cup of oil

A cyclist rides 2/3 of a mile every day. How far will the cyclist ride in 5 days?

• 2 miles

• 4 miles

• 5 miles

• 3.33 miles

A store sells 3/4 of a pound of cheese for $6. What is the cost of 1 pound of cheese?

• $12

• $8

• $10

• $6

A recipe calls for 1/3 cup of honey. If you want to make 5 times the recipe, how much honey do you need?

• 2/3 cup of honey

• 1 cup of honey

• 4 cups of honey

• 5/3 cups of honey