Substituting Values: Solve Real-World Systems in 8th Grade

A school is selling tickets for a play. Adult tickets cost $10 and student tickets cost $5. If the total revenue from selling 30 tickets is $200, how many adult and student tickets were sold?

• 15 adult tickets and 15 student tickets

• 10 adult tickets and 20 student tickets

• 5 adult tickets and 25 student tickets

• 20 adult tickets and 10 student tickets

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

• John has 10 apples and Maria has 14 apples.

• John has 8 apples and Maria has 16 apples.

• John has 6 apples and Maria has 18 apples.

• John has 12 apples and Maria has 12 apples.

A car rental company charges a flat fee of $50 plus $0.20 per mile driven. If a customer paid $70, how many miles did they drive?

• 100 miles

• 50 miles

• 150 miles

• 200 miles

In a fruit basket, there are oranges and bananas. The total number of fruits is 50, and there are 3 times as many bananas as oranges. How many of each type of fruit are there?

• 15 oranges and 35 bananas

• 10 oranges and 30 bananas

• 20 oranges and 10 bananas

• 5 oranges and 45 bananas

A bookstore sells novels for $15 each and magazines for $5 each. If a customer buys a total of 10 items and spends $100, how many novels and magazines did they buy?

• 5 novels and 5 magazines

• 3 novels and 7 magazines

• 6 novels and 4 magazines

• 4 novels and 6 magazines

A gardener is planting flowers and shrubs. The total number of plants is 40, and there are 3 times as many flowers as shrubs. How many flowers and shrubs are there?

• 35 flowers and 5 shrubs

• 25 flowers and 15 shrubs

• 20 flowers and 20 shrubs

• 30 flowers and 10 shrubs

Two friends, Alex and Jamie, are saving money for a concert. Alex has $20 more than Jamie, and together they have $120. How much money does each friend have?

• Alex has $80, Jamie has $40

• Alex has $60, Jamie has $60

• Alex has $70, Jamie has $50

• Alex has $50, Jamie has $70

A recipe requires 2 cups of flour and 3 cups of sugar. If you want to make a batch that uses 12 cups of flour, how much sugar will you need?

• 18 cups of sugar

• 15 cups of sugar

• 10 cups of sugar

• 12 cups of sugar

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

• 10 boys and 20 girls

• 15 boys and 15 girls

• 5 boys and 25 girls

• 12 boys and 18 girls

A pet store has cats and dogs. The total number of pets is 50, and there are 4 times as many dogs as cats. How many cats and dogs are there?

• 5 cats and 45 dogs

• 20 cats and 30 dogs

• 10 cats and 40 dogs

• 15 cats and 35 dogs