One Variable Equations: Solve Real-World Problems

A store sells pencils for $0.50 each. If you buy x pencils and spend $4.00, how many pencils did you buy?

• 12

• 6

• 8

• 10

Maria has a collection of x marbles. If she buys 15 more marbles, she will have 45 marbles in total. How many marbles did she start with?

• 30

• 40

• 35

• 25

A book costs $12. If you have x dollars and you want to buy the book, how much more money do you need if you currently have $8?

• $2

• $6

• $10

• 4

A car travels at a speed of x miles per hour. If it takes 3 hours to travel 150 miles, what is the speed of the car?

• 50 miles per hour

• 60 miles per hour

• 40 miles per hour

• 70 miles per hour

In a classroom, there are x students. If 5 more students join, there will be 30 students in total. How many students were there originally?

• 20

• 10

• 15

• 25

A recipe calls for x cups of flour. If you have 2 cups and need a total of 5 cups, how many more cups do you need?

• 3

• 4

• 6

• 1

A concert ticket costs $25. If you have x dollars and want to buy 3 tickets, how much more money do you need?

• 25 - x

• 100 - x

• 50 - x

• 75 - x

A gardener has x plants. If he buys 10 more plants, he will have 50 plants in total. How many plants did he have before?

• 20

• 30

• 40

• 50

A bike costs $150. If you save x dollars each week, how many weeks will it take to save enough to buy the bike if you currently have $30?

• 150/x weeks

• 100/x weeks

• 30/x weeks

• 120/x weeks

A swimming pool can hold x gallons of water. If it currently has 200 gallons and can hold 500 gallons, how many more gallons can it hold?

• 300 gallons

• 250 gallons

• 100 gallons

• 400 gallons