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?

• $\frac{n}{4}\ =\ 32$

• 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?

• 4h $\ge\ 15$

• $4h\ \le\ 15$

• $h\ +\ 4\ \ge\ 15$

• $h\ +\ 4\ \le\ 15$

Tags

CCSS.6.EE.B.8

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?

• $p\ -7\ <50$

• $p\ -7\ >50$

• $p\ +\ 7\ \ge\ 50$

• $p\ +\ 7\ \le50$

Tags

CCSS.7.EE.B.4B

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

Which inequality represents all possible values of t?
 $t\ +\ 250\ \le\ 600$  

•  $t\ge\ 350$  

•  $t\le850$  

•  $t\le350$  

•  $t\ge850$  

Tags

CCSS.7.EE.B.4B

Jamal wrote the inequality x/16 <- 6. Which situation is best represented by this inequality? $\frac{x}{16}\le\ 6$  

• 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

Ted bought a dolphin poster for $12. He now has $5. Write and solve an equation to find out how much money Ted took to the aquarium.

• m - 12 = 5

• m - 5 = 12

• m + 5 = 12

• m + 12 = 5

Tags

CCSS.HSA.CED.A.3

Damien needs at least $70 for a trip to Six Flags. If he already has $36, which inequality can be used to determine how much money Damien needs?

• x − 36 ≤ 70

• x + 36 ≤ 70

• x − 36 ≥ 70

• x + 36 ≥ 70

Tags

CCSS.6.EE.B.5

CCSS.6.EE.B.6

CCSS.6.EE.B.8

Johnny earns $15 per hour dog walking. He wants to earn at least $105 to buy a new bike. Which inequality represents how long Johnny needs to work to afford his new bike? 

• 15h ≤ 105
• 15h > 105
• 15h < 105
• 15h ≥ 105

Tags

CCSS.6.EE.B.8