Solving Real-World One-Variable Equations: Grade 8 Quiz

A store sells notebooks for $2 each. If you buy x notebooks, and your total cost is $14, how many notebooks did you buy?

• 5

• 7

• 10

• 3

A taxi charges a flat fee of $3 plus $2 per mile. If your total fare was $11, how many miles did you travel?

• 2 miles

• 5 miles

• 3 miles

• 4 miles

Maria has $50. She spends x dollars on a book. If she has $30 left, how much did she spend on the book?

• 15

• 25

• 20

• 35

A swimming pool is being filled with water at a rate of 5 gallons per minute. If it takes 20 minutes to fill the pool, how many gallons does the pool hold?

• 120 gallons

• 150 gallons

• 80 gallons

• 100 gallons

A concert ticket costs $25. If you buy x tickets and spend $100, how many tickets did you buy?

• 2

• 3

• 4

• 5

A car rental company charges a base fee of $30 plus $15 per day. If you paid $105 for x days, how many days did you rent the car?

• 3 days

• 7 days

• 5 days

• 10 days

A recipe requires 3 cups of flour. If you want to make x batches and use a total of 12 cups of flour, how many batches are you making?

• 5

• 4

• 3

• 2

A phone plan costs $40 per month plus $0.10 per text message. If your bill was $50 this month, how many text messages did you send?

• 75

• 100

• 50

• 120

A gardener charges $20 for a visit plus $10 per hour of work. If you paid $80 for x hours of work, how many hours did the gardener work?

• 6 hours

• 7 hours

• 5 hours

• 4 hours

A gym membership costs $30 per month. If you have x months of membership and paid $120, how many months did you sign up for?

• 2 months

• 4 months

• 6 months

• 5 months