Solving Real-Life Multistep Equations with Inverses

A store sells notebooks for $3 each and pens for $2 each. If you buy a total of 10 items and spend $24, how many notebooks and pens did you buy?

• 5 notebooks and 5 pens

• 4 notebooks and 6 pens

• 3 notebooks and 7 pens

• 2 notebooks and 8 pens

Maria has twice as many marbles as John. If John has x marbles and together they have 36 marbles, how many marbles does each person have?

• John has 15 marbles and Maria has 21 marbles.

• John has 10 marbles and Maria has 26 marbles.

• John has 12 marbles and Maria has 24 marbles.

• John has 18 marbles and Maria has 18 marbles.

A recipe requires 3 cups of flour and 2 cups of sugar. If you want to make 4 batches of the recipe, how many cups of flour and sugar do you need in total?

• 8 cups of flour and 4 cups of sugar

• 10 cups of flour and 6 cups of sugar

• 12 cups of flour and 8 cups of sugar

• 15 cups of flour and 10 cups of sugar

A car rental company charges a flat fee of $50 plus $0.20 per mile driven. If you drove the car for a total of 150 miles and paid $80, how much was the flat fee?

• $100

• $30

• $70

• 50

In a class, the ratio of boys to girls is 3:5. If there are 40 students in total, how many boys and girls are in the class?

• 25 boys and 15 girls

• 10 boys and 30 girls

• 15 boys and 25 girls

• 20 boys and 20 girls

A gardener is planting flowers in rows. If each row has 8 flowers and he wants to plant a total of 56 flowers, how many rows will he need?

• 7

• 6

• 5

• 8

A book costs $15, and there is a sale where you can buy 3 books for the price of 2. If you want to buy 9 books, how much will you spend?

• $45

• $30

• $60

• $75

A swimming pool is being filled with water. If it fills at a rate of 5 gallons per minute and it takes 2 hours to fill, how many gallons of water are needed to fill the pool?

• 700 gallons

• 600 gallons

• 800 gallons

• 500 gallons

A school is organizing a field trip. If each bus can hold 20 students and there are 120 students going, how many buses are needed?

• 6

• 8

• 7

• 5

A video game costs $60. If you have a coupon for 25% off and you also pay a sales tax of 8%, how much will you pay in total?

• $60.00

• $54.00

• $50.00

• $48.60