Solving One Variable Equations: Context & Accuracy Check

A store sells pencils for $0.50 each. If you buy x pencils and spend $7.00, how many pencils did you buy?

• 10

• 16

• 14

• 12

Maria has 3 times as many marbles as John. If John has x marbles and together they have 48 marbles, how many marbles does John have?

• 16

• 12

• 20

• 8

A book costs $15. If you have x dollars and you want to buy the book, how much money do you need to save if you currently have $5?

• 5

• 10

• 20

• 15

A swimming pool is filled with water at a rate of 2 liters per minute. If the pool can hold x liters and it takes 30 minutes to fill, how many liters can the pool hold?

• 30 liters

• 60 liters

• 45 liters

• 75 liters

Tom is 4 years older than his sister. If his sister is x years old and the sum of their ages is 28, how old is Tom?

• 16

• 20

• 12

• 10

A car travels at a speed of 60 miles per hour. If it travels for x hours, how far does it go if it travels for 2 hours?

• 120 miles

• 80 miles

• 100 miles

• 150 miles

A recipe requires 2x cups of flour. If you want to make a half batch, how many cups of flour do you need?

• 2x

• x/2

• 4x

• x

A concert ticket costs $20. If you have x dollars and want to buy tickets for you and 3 friends, how much money do you need?

• $60

• $80

• $40

• $100

A gardener plants x flowers in each row. If there are 5 rows and a total of 45 flowers, how many flowers are planted in each row?

• 7

• 8

• 10

• 9

A train leaves the station at 3 PM and travels at a speed of 80 miles per hour. If it travels for x hours, what time will it arrive if it travels for 2 hours?

• 5 PM

• 4 PM

• 7 PM

• 6 PM