Solving Systems of Equations: Substitution Strategies

A school is selling tickets for a play. Adult tickets cost $10 and student tickets cost $5. If the school sold a total of 150 tickets for $1,200, how many adult tickets were sold?

• 90

• 100

• 70

• 80

Maria has twice as many apples as John. Together, they have 24 apples. How many apples does John have?

• 10

• 6

• 12

• 8

A car rental company charges a flat fee of $30 plus $0.20 per mile driven. If a customer paid $50, how many miles did they drive?

• 75 miles

• 50 miles

• 120 miles

• 100 miles

In a fruit basket, there are oranges and apples. The total number of fruits is 30, and there are 5 more oranges than apples. How many apples are in the basket?

• 15

• 12

• 10

• 20

A store sells pencils for $0.50 each and erasers for $1.00 each. If a student bought a total of 10 items for $6.00, how many erasers did the student buy?

• 3

• 1

• 5

• 2

Two friends, Alex and Jamie, are saving money for a concert. Alex has $20 more than Jamie, and together they have $100. How much money does Jamie have?

• 50

• 30

• 40

• 60

A gardener is planting flowers and shrubs. The total number of plants is 50, and there are 3 times as many flowers as shrubs. How many flowers are there?

• 12

• 36

• 24

• 18

A bookstore sells novels for $12 each and magazines for $5 each. If a customer bought 8 items for $66, how many novels did they buy?

• 5

• 4

• 3

• 2

In a class, the ratio of boys to girls is 3:2. If there are 30 students in total, how many girls are in the class?

• 10

• 15

• 18

• 12

A restaurant sells burgers for $8 and fries for $3. If a customer spent $39 on 5 items, how many burgers did they order?

• 4

• 1

• 3

• 2