exam Maths Puzzle Numerical Ability

Adult tickets for a play cost $13 and child tickets cost $10. If there were 22 people at a performance and the theater collected $277 from ticket sales, how many adults and how many children attended the play?

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exam Other Question

1) If you have $7.00 now and $8.10 in 3 years, what is the Effective Annual Interest Rate?

2) If you have $9.00 now and $11.84 in 7 years, what is the Effective Annual Interest Rate? Suppose it costs $5 to enter a carnival. Each ride costs $1.25. You have $15 to spend at the carnival. What is the greatest number of rides that you can go on?