Solving Real-World Equations: 8th Grade Word Problems

A store sells pencils for $0.50 each. If you buy x pencils and spend $10, how many pencils did you buy? Translate this into an equation and solve for x.

• 25

• 15

• 20

• 30

Maria has 3 times as many marbles as John. If John has y marbles, write an equation to represent the number of marbles Maria has and find how many marbles Maria has if John has 12 marbles.

• 24

• 36

• 30

• 18

A car travels at a speed of 60 miles per hour. How far will it travel in t hours? Write an equation to represent this situation and find the distance if t is 2 hours.

• 90 miles

• 150 miles

• 60 miles

• 120 miles

The sum of a number and 15 is equal to 50. Write an equation to represent this situation and solve for the number.

• 35

• 30

• 40

• 25

A rectangle has a length that is 4 meters longer than its width. If the width is w meters, write an equation for the length and find the length if the width is 6 meters.

• 10 meters

• 12 meters

• 8 meters

• 14 meters

If a book costs $15 and you have a budget of b dollars, write an equation to find out how many books you can buy. Solve for the number of books if b is $60.

• 3

• 5

• 4

• 2

A recipe requires 2 cups of flour for every 3 cups of sugar. If you have s cups of sugar, write an equation to find the amount of flour needed and determine how much flour is needed if you have 9 cups of sugar.

• 6 cups of flour

• 10 cups of flour

• 8 cups of flour

• 4 cups of flour

The perimeter of a square is 40 meters. Write an equation to find the length of one side of the square and calculate the length.

• 20 meters

• 10 meters

• 15 meters

• 5 meters

A swimming pool is being filled at a rate of 5 gallons per minute. If the pool can hold p gallons, write an equation to find out how long it will take to fill the pool and determine the time if p is 300 gallons.

• 60 minutes

• 120 minutes

• 90 minutes

• 30 minutes

A concert ticket costs $25. If you have $m, write an equation to find out how many tickets you can buy and solve for the number of tickets if m is $100.

• 2

• 4

• 5

• 3