3/27 Quiz: Unit 6 Mid-Assessment

Select all the equations where x = 3 is a solution.

• 5/x = 3

• 6 = 2x

• 1 + x = 2

• 9 - x = 3

• x - 3 = 0

Which equation matches the hanger diagram?

• xx = 1•1•1•1•1

• x = 2/5

• x + 3 = 5

• 2x = 5

2/9 of the students in a school are in sixth grade. How many sixth graders are there if the school has 90 students?

2/9 of the students in a school are in sixth grade. How many sixth graders are there if the school has 27 students?

2/9 of the students in a school are in sixth grade. If the school has x students, write an expression for the number of sixth graders in terms of x.

2/9 of the students in a school are in sixth grade.

How many students are in the school if 42 of them are sixth graders?

(This is the "reverse.")

Diego is selling raffle tickets for $1.75 per ticket. Complete the table to show how much money Diego would earn if he sold each number of tickets.

Mai poured 2.6 liters of water into a partially filled pitcher. The pitcher then contained 10.4 liters. Which diagram represents this situation?

• Diagram A

• Diagram B

• Diagram C

Mai poured 2.6 liters of water into a partially filled pitcher.

The pitcher then contained 10.4 liters.

Write an equation that represents this situation.

• x + 2.6 = 10.4

• 2.6 + 10.4 = x

• 10.4 + x = 2.6

Mai poured 2.6 liters of water into a partially filled pitcher. The pitcher then contained 10.4 liters.

How much water was already in the pitcher?

• 7.8

• 13

• 20

• 8.4