Real-Life Applications of Rational Expressions for Grade 8

A recipe requires 3/4 cup of sugar for 2 servings. How much sugar is needed for 5 servings?

• 1 7/8 cups

• 1 1/2 cups

• 2 cups

• 1 cup

A car travels 1/2 mile in 1/4 hour. What is the car's speed in miles per hour?

• 1 mile per hour

• 0.5 miles per hour

• 2 miles per hour

• 4 miles per hour

If a tank can hold 5/6 of a gallon of water, how many tanks are needed to hold 3 gallons?

• 4

• 2

• 3

• 5

A piece of ribbon is 2/3 yard long. If you cut it into pieces that are 1/4 yard long, how many pieces can you cut?

• 3

• 2

• 4

• 1

A garden is 3/5 of an acre. If you want to divide it into plots of 1/10 acre each, how many plots can you create?

• 8

• 10

• 4

• 6

If a worker can complete 1/2 of a project in 3 hours, how long will it take to complete the entire project?

• 6 hours

• 10 hours

• 4 hours

• 8 hours

A recipe calls for 2/3 cup of flour. If you want to make 1/2 of the recipe, how much flour do you need?

• 1/4 cup

• 1/2 cup

• 2/3 cup

• 1/3 cup

A car uses 3/4 gallon of gas to travel 12 miles. How many gallons of gas are needed to travel 30 miles?

• 2.5 gallons

• 1.875 gallons

• 1.5 gallons

• 2.25 gallons

If a box can hold 1/4 cubic foot of sand, how many boxes are needed to hold 2 cubic feet of sand?

• 4

• 6

• 10

• 8

A baker uses 5/8 of a cup of milk for one batch of cookies. How much milk is needed for 4 batches?

• 2.5 cups

• 3 cups

• 4 cups

• 1.5 cups