8th STAAR 8c (solving equations)

Two student groups went to an amusement park on the same day.

- Group 1 bought 9 tickets and received $120 discount.

- Group 2 bought 3 tickets and received a $30 discount.

- Both groups spent the same total amount of money on tickets.

- The price of each ticket was the same.

What was the cost of each ticket?

• $25

• $12.50

• $15

• $7.50

Two customers spent the same total amount of money at a restaurant.

- The first customer bought 8 hot wings and left a $4 tip.

- The second customer bought 10 wings and left a $2.80 tip.

- Both customers paid the same amount per hot wing.

How much does one hot wing cost at this restaurant in dollars and cents?

(ONLY TYPE THE NUMBER!!!! DON'T PUT THE $)

Aquarium 1 contains 4.6 gallons of water. Louise will begin filling Aquarium 1 at a rate of 1.2 gallons per minute.

Aquarium 2 contains 54.6 gallons of water. Isaac will begin draining Aquarium 2 at a rate of 0.8 gallons per minute.

After how many minutes will both aquariums contain the same amount of water?

• 148 min

• 125 min

• 25 min

• 50 min

Julie started with 20 pieces of gum and gave away x pieces. Conrad started with 35 pieces of gum and gave away twice as many pieces as Julie did.

How many pieces of gum did Julie give away if they had the same number of pieces of gum left?

• 18

• 5

• 15

• 8

Carnival M charges an entrance fee of $5.00 and $0.65 per ticket for the rides.

Carnival P charges an entrance fee of $10.00 and $0.45 per ticket for the rides.

How many tickets must be purchased in order for the total cost at Carnival M and Carnival P to be the same?

• 25

• 10

• 50

• 75

The model represents an equation.

What value of x makes the equation true?

• 1.75

• 13.2

• 0.5

• 10.25