AlgebraEasy–MediumRides from a fair budget
Algebra practice question
Entry to a fair costs $8 and each ride costs $3. Lena spent exactly $50 at the fair, all on entry and rides. How many rides did she go on?
Answer: 14
8 + 3r = 50 gives 3r = 42, so r = 14.
Common wrong answers
- If you answered 42
- 42 is the money spent on rides.
- If you answered 16.67
- 16.67 divides 50 by 3, ignoring the entry fee.
- If you answered 19.33
- 19.33 adds 8 before dividing.
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