AlgebraEasyCost of hiring a hall for a number of guests
Algebra practice question
Hiring a hall costs 100 dollars plus 5 dollars for each guest. What is the cost, in dollars, for 40 guests?
Answer: 300
100 + 5 × 40 = 300.
Common wrong answers
- If you answered 145
- 145 adds 5 to 100 and 40 without multiplying.
- If you answered 200
- 200 is the guests' charge alone.
- If you answered 4000
- 4000 multiplies 100 by 40.
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