Real-Life Linear Equations: One-Variable Challenges

A store sells pencils for $0.50 each. If you buy x pencils and spend $10, how many pencils did you buy?

• 15

• 20

• 25

• 30

Maria has twice as many marbles as John. If John has x marbles and together they have 30 marbles, how many marbles does John have?

• 15

• 20

• 5

• 10

A car rental company charges a flat fee of $20 plus $0.15 per mile driven. If you paid $50, how many miles did you drive?

• 100 miles

• 250 miles

• 200 miles

• 150 miles

A gardener is planting flowers in rows. If each row has x flowers and there are 5 rows, and the total number of flowers is 40, how many flowers are in each row?

• 6

• 8

• 5

• 10

A book costs $15. If you have x dollars and want to buy as many books as possible, how many books can you buy if you have $60?

• 4

• 2

• 5

• 3

A swimming pool is being filled with water at a rate of 10 gallons per minute. If the pool can hold 500 gallons, how long will it take to fill the pool?

• 50 minutes

• 30 minutes

• 70 minutes

• 100 minutes

A concert ticket costs $25. If you have x tickets and spent $200, how many tickets did you buy?

• 12

• 10

• 6

• 8

A recipe requires 3 cups of flour for x cookies. If you want to make 24 cookies, how many cups of flour do you need?

• 6 cups

• 10 cups

• 8 cups

• 4 cups

A train travels at a speed of 60 miles per hour. If it travels for x hours, how far does it go if it travels for 3 hours?

• 180 miles

• 120 miles

• 150 miles

• 240 miles

A phone plan costs $30 per month plus $0.10 per text message. If you spent $50 this month, how many text messages did you send?

• 200

• 250

• 100

• 150