Writing Equations from Word Problems

Bob's Plumbing charges $15 per hour plus a service fee of $40 for coming out to your house. Which equation models this situation?

• y = 15x + 40

• y = 40x + 15

• y = 15x

• y = 15x - 40

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

An internet company charges a $100 set up fee, and then they charge $35 a month after that.  What is the initial value?

• $100
• $35
• $135
• $65

Tags

CCSS.HSF.LE.B.5

Natalie is a softball coach. She has a pitching private lesson with Kasey. Kasey's mom pays Natalie $11 per hour plus a $6 tip. 
The correct equation was 11x + 6 = 39.
So, how many hours was the lesson?

• x = 3
• x = 2
• x = 4
• x = 5

Tags

CCSS.7.EE.B.4A