Real-Life Linear Equations: Solve and Interpret Solutions

A store sells pencils for $0.50 each. If you buy x pencils, how much will you spend? Write the equation and solve for x if you spend $4.00.

• 6

• 8

• 10

• 12

Maria has twice as many marbles as John. If John has x marbles, write an equation to represent the situation and find how many marbles Maria has if John has 10 marbles.

• 15

• 25

• 30

• 20

A car rental company charges a flat fee of $20 plus $0.15 per mile driven. Write an equation for the total cost C in terms of miles m. How much will it cost to drive 100 miles?

• $50

• $15

• $20

• $35

A gardener is planting flowers in rows. If each row has x flowers and there are 5 rows, write an equation for the total number of flowers. How many flowers are there if there are 30 flowers in total?

• 15

• 5

• 10

• 6

A book costs $15 and a magazine costs $5. If you buy x magazines, write an equation for the total cost T. How many magazines can you buy if you spend $40?

• 8

• 10

• 6

• 12

A school is organizing a field trip. The cost per student is $25. If there are x students, write an equation for the total cost C. How much will it cost for 20 students?

• $300

• $600

• $400

• $500

A recipe requires 2 cups of flour for every 3 cups of sugar. If you have x cups of sugar, write an equation for the amount of flour needed. How much flour is needed if you have 9 cups of sugar?

• 8 cups of flour

• 4 cups of flour

• 6 cups of flour

• 10 cups of flour

A concert ticket costs $50. If you buy x tickets, write an equation for the total cost T. How much will it cost for 4 tickets?

• $150

• $100

• $200

• $250

A bike rental shop charges a $10 fee plus $2 for each hour rented. Write an equation for the total cost C in terms of hours h. How much will it cost to rent a bike for 5 hours?

• $15

• $25

• $30

• $20

A factory produces x toys per hour. If the factory operates for 8 hours, write an equation for the total number of toys produced. How many toys are produced if the factory makes 50 toys per hour?

• 400

• 300

• 450

• 600