Week 4.2 Mixed Quizizz Review

A tank starts off containing 1,060 gallons of water, and 35 gallons of water leaks from the tank every hour. At the same time, an empty pool is filled with water at a rate of 480 gallons per hour. Which inequality represents all possible values for x, the number of hours that have passed when the tank contains less water than the pool?

• 1,060 + 35x > 480x

• 1,060 - 35x > 480x

• 1,060 - 35x < 480x

• 1,060 + 35x < 480x

The perimeter of the triangle shown is 17x units. The dimensions of the triangle are given in units. Which equation can be used to find the value of x?

• 17x = 30 + 7x

• 17x = 15 + 22x

• 17x = 7 + 30x

• 17x = 22 + 15x

• A) Krystal reads 12 pages per hour. Jondo reads 18 pages per hour. How many hours, x, would it take for Krystal and Jondo to read the same number of pages?

• C) Krystal installs 12 tiles per hour. Jondo installs 19 tiles per hour and started with 18 tiles already installed. How many hours, x, would it take for Krystal and Jondo to install the same number of tiles?

A model representing a linear equation is shown. Based on the model, what is the value of x?

What value of x makes this equation true? 2x + 9 - 4x = x - 12

• 7

• -21

• -1

• 3

What is the value of x in the equation represented by the tiles?

• A) 3

• B) 5

• C) -3

• D) -1

Jessica baked 72 cookies and sold x cookies. Max baked 36 cookies and sold half as many cookies as Jessica did. How many cookies did Jessica sell if they each had the same number of cookies left over?

• A) 18

• B) 36

• C) 24

• D) 72

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 hot 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? Record your answer and fill in the bubbles on your answer document. Be sure to use the correct place value.

• $0.50

• $0.60

• $0.70

• $0.80

Two student groups went to an amusement park on the same day. - Group 1 bought 9 tickets and received a $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

Quadrilateral PQRT and quadrilateral KLMN are similar. Which proportion must be true?