AlgebraEasy–MediumChairs bought with a delivery charge
Algebra practice question
A cafe buys some chairs at $6 each and pays a single $8 delivery charge, spending $50 in all. How many chairs does the cafe buy?
Answer: 7
6c + 8 = 50 gives 6c = 42, so c = 7.
Common wrong answers
- If you answered 42
- 42 is the cost of the chairs.
- If you answered 8.33
- 8.33 divides 50 by 6, ignoring the delivery charge.
- If you answered 9.67
- 9.67 adds 8 before dividing.
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