AlgebraEasyFixed charge plus a rate
Algebra practice question
A plumber charges $50 for each visit plus $20 for each hour of work. What is the total charge, in dollars, for a visit that lasts 2 hours?
Answer: 90
50 + 20(2) = 90.
Common wrong answers
- If you answered 40
- 40 is the hourly charge alone.
- If you answered 70
- 70 counts only one hour.
- If you answered 140
- 140 multiplies the visit charge by 2 as well.
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