Unit 2 Part B Study Guide

Answer explanation

1. 1. Add 13 to both sides

2. 2. 9x>-45

3. 3. Divide by 9 on both sides

4. 4. x>-5

Tags

CCSS.7.EE.B.4B

Answer explanation

1. 1. Subtract 18 from both sides

2. 2. a/-3 less than equal to -4

3. 3. Multiply by -3 and flip the inequality

4. 4. a greater than equal to 12

Tags

CCSS.7.EE.B.4B

Answer explanation

1. Distribute 8 to 5-2y

2. 8(5) is 40 and 8(-2y) is -16y

3. Distribute -9 to 2y+3

4. -9(2y) is -18y and -9(3) is -27

5. Rewrite

6. Combine -27 and positive 15

7. 40-16y greater than or equal to -18y-12

8. Add 18y from the right side to the left and subtract 40 from the left to the right

9. Rewrite

10. 2y greater than equal to -52

11. Divide by 2

12. y greater than equal to -26

• 5
• 6
• 7
• 4
• 3

Answer explanation

Subtract 19

-8x<-32

Divide -8 and flip inequality

x>4

All numbers greater than 4 work.

Tags

CCSS.6.NS.C.7C

• -11
• -13
• -10
• -9
• -8

Answer explanation

All numbers less than -10. So to the left on the number line

Tags

CCSS.7.NS.A.2C

Camille stopped at the grocery store to buy milk. While at the store, she spotted cans of soup on sale for $2.25 each. If the milk costs $3.50 and she can spend no more than $35, how many cans of soup can she buy?

Answer explanation

Tags

CCSS.7.EE.B.3

Ryan earns $25 per hours as a tutor at the college library. He set a weekly spending budget of $130 each week and puts the remaining money in his saving account. How many hours must he work this week in order to have at least an extra $50 to put in his saving account?

Answer explanation

Tags

CCSS.7.EE.B.3

Solve: 2 − 3 (m + 7) > 1 + 4 (m + 9)

Answer explanation

Answer explanation

Translate:

The difference of a number and 8 is no more than 13

Answer explanation