Solving and Writing Equations and Inequalities

After 4 students joined a class, the class has 32 students. Which equation can be used to find n, the number of students in the class before the new 4 students joined?

• n - 4 = 32

• 4n = 32

• n + 4 = 32

Tags

CCSS.HSA.CED.A.3

Jessica has a goal of walking at least 15 miles. She walks at a rate of 4 miles per hour. Which inequality can Jessica use to find h, the number of hours she should walk in order to meet or exceed her goal?

Sofia has a maximum of $50 to spend at a museum. A ticket to the museum cost $7. She can spend p dollars to buy other things at the museum. Which inequality can be used to find the possible values of p?

Which number line represents the solution to 5x < 30?

• F

• G

• H

• J

Tags

CCSS.6.EE.B.8

• F

• G

• H

• J

Tags

CCSS.6.EE.B.7

• Jamal divided x pieces of paper among 16 students, and each student received fewer than 6 pieces of paper.

• Jamal placed x cards in 16 stacks, and there were no more than 6 cards in each stack.

• Jamal separated x shirts into 6 stacks, and each stack had at least 16 shirts. 
  

• Jamal shared 16 markers with x classmates, and each classmate had fewer than 6 markers. 

Tags

CCSS.6.EE.B.8

Tags

CCSS.7.EE.B.4B

What value of x makes this equation true?

-90 = x - 100

• -10

• 10

• -190

• 190

Tags

CCSS.6.EE.B.5

• F

• G

• H

• J

Tags

CCSS.7.EE.B.4B

Connor purchased school supplies for his art class that cost $1,175 to register. He paid $14 for each color of paint plus $55 on a brush set. Write an inequality to represent the total cost of the supplies so that it is less than the total cost of the class.

• 14x + 55 ≤ 1,175

• 55x + 14 > 1,175

• 14x + 55 < 1,175

• 55x −1 4 < 1,175

Tags

CCSS.7.EE.B.4B