Writing and Solving Linear Equations

Mary has a prepaid phone plan that charges 20 cents for each text and 15 cents per minute for calls. If Mary uses only text, write an equation for the cost C of sending t texts.

• C = 0.20t

• C = 20t

• C = 0.15t

• C = 0.35t

Tags

CCSS.HSF-BF.A.1A

Mary has a prepaid phone plan that charges 20 cents for each text and 15 cents per minute for calls. How much will it cost Mary to send 17 texts?

• $340

• $2.55

• $3.40

• $5.95

Tags

CCSS.8.EE.C.7B

Mary has a prepaid phone plan that charges 20 cents for each text and 15 cents per minute for calls. If Mary uses only the talking features of her plan, write an equation for the cost C of talking m minutes.

• C = 15m

• C = 0.15m

• C = 35m

• C = 0.20m

Tags

CCSS.HSF-BF.A.1A

Mary has a prepaid phone plan that charges 20 cents for each text and 15 cents per minute for calls. If Mary has $5, how many minutes can she talk?

• 33 minutes

• 75 minutes

• 25 minutes

• 14 minutes

Tags

CCSS.7.EE.B.4A

Mary has a prepaid phone plan that charges 20 cents for each text and 15 cents per minute for calls. If Mary uses both text and talk, write an equation for the cost C of sending t texts and talking m minutes.

• C = 0.35tm

• C = 0.05m

• C = 20t + 15m

• C = 0.20t + 0.15m

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Mary has a prepaid phone plan that charges 20 cents for each text and 15 cents per minute for calls. How much will it cost Mary to send 8 texts and talk for 15 minutes?

• $385

• $38.50

• $3.85

• $8.05

Tags

CCSS.6.EE.B.7

CCSS.6.NS.B.3

Using the five step plan to solve. The sum of three consecutive integers is 234. What are the integers?

Tags

CCSS.8.EE.C.7B

Using the five step plan to solve. Triple a number increased by 5 is 10. What is the number?

• $\frac{3}{5}$

• $\frac{5}{3}$

• 5

• $-\frac{5}{3}$

Tags

CCSS.7.EE.B.4A

Solve

2(3x - 5) = 20

Tags

CCSS.7.EE.B.4A

Solve

14x - 8 = 22 + 20x

Tags

CCSS.6.EE.B.5

CCSS.6.EE.B.6