Real-Life Linear Equations: Solve and Interpret Solutions

A store sells pencils for $0.50 each and erasers for $0.75 each. If a student buys a total of 10 items for $6.00, how many pencils and erasers did they buy?

• 6 pencils and 4 erasers

• 4 pencils and 6 erasers

• 7 pencils and 3 erasers

• 5 pencils and 5 erasers

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

• John has 15 marbles, Maria has 15 marbles.

• John has 12 marbles, Maria has 18 marbles.

• John has 10 marbles, Maria has 20 marbles.

• John has 5 marbles, Maria has 25 marbles.

A taxi charges a flat fee of $3.00 plus $2.00 per mile. If a ride costs $11.00, how many miles did the taxi travel?

• 4 miles

• 5 miles

• 2 miles

• 3 miles

A gardener is planting flowers in rows. If each row has 5 flowers and there are a total of 35 flowers, how many rows are there?

• 5

• 6

• 8

• 7

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

• 18

• 16

• 20

• 12

A car rental company charges a base fee of $20 plus $0.15 per mile driven. If a customer pays $35, how many miles did they drive?

• 120 miles

• 100 miles

• 75 miles

• 50 miles

A book costs $12 and a magazine costs $5. If a person buys 3 books and some magazines for a total of $51, how many magazines did they buy?

• 3

• 4

• 2

• 5

A school is selling tickets for a play. Adult tickets are $8 and student tickets are $5. If they sold 50 tickets for a total of $320, how many adult tickets were sold?

• 20

• 15

• 25

• 30

A recipe requires 2 cups of flour for every 3 cups of sugar. If you want to use 8 cups of sugar, how many cups of flour do you need?

• 3 cups of flour

• 4 cups of flour

• 6 cups of flour

• 5.33 cups of flour

A concert hall has 200 seats. If 3/4 of the seats are sold, how many seats are still available?

• 50

• 25

• 100

• 75