Writing Equations from Word Problems 2

Thomas got a speeding ticket. The officer said he had to pay $10 for each mile(m) per hour he was going over the speed limit plus $115 in court cost. Which equation models the total cost of Thomas' fine?

• c = 125m

• c = 10m + 115

• c = 115m + 10

• c = 10m - 115

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Miley runs a "warm-up" lap for 10 minutes and then takes nine minutes to run each mile. The total time after running m miles is 55 minutes. Which equation models this scenario?

• 55 = 10m + 9

• 55 = 9m - 10

• 55 = 10m - 9

• 55 = 9m + 10

Tags

CCSS.HSA.CED.A.3

Jazmine joined a music club. The start up fee was $10 and each song she downloads(m) is $0.99. If she spent a total of $15.94, how many songs did she download? Which equation models this situation?

• $10 - $0.99m = $15.94

• $10 + $0.99m = $15.94

• $10/$0.99m = $15.94

• $10m + $0.99m = $15.94

Tags

CCSS.HSA.CED.A.3

Penny is going to the carnival to ride the rides. Admission is $20 and ride tickets are $0.50 each. Write an equation that represents this scenario if she spends $35 in all.

• 0.50 + 20x = 35

• 0.50x = 35

• 0.50x + 20 = 35

• 0.50x - 20 = 35

Tags

CCSS.HSA.CED.A.3

Nina's coworkers gave her money to bring in breakfast for everyone. She spends $19 on bagels, cream cheese and juice and spends the rest on grapes, which were $1.47 per pound. She spent $23. Which equation shows how many pounds of grapes(g) Nina purchased?

• 23 + 19 = 1.47g

• 1.47g + 19 = 23

• 19 - 1.47g = 23

• 23 = 19g - 1.47

Tags

CCSS.HSA.CED.A.3

While at the music store, Drew bought 5 CDs(c), all at the same price. The tax on his purchase was $6, and the total was $61. Which equation models this scenario?

• c + 5 + 6 = 61

• c/5 + 6 = 61

• 5/c + 6 = 61

• 5c + 6 = 61

Tags

CCSS.HSA.CED.A.3

EZ Rental Car charges $8.50 an hour plus a rental fee of $25.50. Which equation models the total charges for x hours?

• y = 8.50 + 25.50

• y = 8.05 + 25.50x

• y = 25.50 - 8.50x

• y = 25.50 + 8.50x

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Daniel is paid $10 per week for selling newspaper subscriptions. He is also paid $3.50 for each new customer(x) that signs up for the subscription. Which equation represents the amount(y) Daniel earns in a week?

• y = 10 + 3.50x

• y = 10 + x

• y = 3.50x

• y = 3.50x

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Ace Communications charges $15.00 per month plus $0.20 per minute of airtime usage. If Juanita uses m minutes of airtime, which equation can be used to determine her monthly cell phone bill(c)?

• c = 15 + m + 0.20

• c = 15 + 0.20m

• c = 15(0.20m)

• c = 0.20 + 15m

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Margaret is a waitress at The Seafood Bonanza. She earns $3 an hour plus 90% of her tips. Write an equation for her salary, S, if she works h hours and earns d dollars in tips.

• S = 3d + 90h

• S = 90d + 3h

• 3h + 0.90d = S

• S = 3h + 9.0d

Tags

CCSS.6.EE.C.9