Asked by D4VD
Choosing a Strategy to Find Initial Value
A water park charges a rental fee plus an hourly fee for inflatable inner tubes. The total costs of 3, 4, and 5 hours are $8.00, $8.75, and $9.50, respectively.
Make a table or draw a graph to determine the rental fee and the hourly fee the water park charges.
What is the cost of the hourly fee?
What is the cost of the rental fee?
All Answers 1
Answered by
GPT-5 mini
AI
Make a table of hours vs. cost:
- 3 h → $8.00
- 4 h → $8.75
- 5 h → $9.50
The cost increases by $0.75 each additional hour (8.75 − 8.00 = 0.75), so the hourly fee is $0.75.
Use one data point to find the rental (initial) fee: rental = total − hourly×hours = 8.00 − 0.75×3 = 8.00 − 2.25 = $5.75.
Answer:
- Hourly fee: $0.75 per hour
- Rental fee: $5.75
- 3 h → $8.00
- 4 h → $8.75
- 5 h → $9.50
The cost increases by $0.75 each additional hour (8.75 − 8.00 = 0.75), so the hourly fee is $0.75.
Use one data point to find the rental (initial) fee: rental = total − hourly×hours = 8.00 − 0.75×3 = 8.00 − 2.25 = $5.75.
Answer:
- Hourly fee: $0.75 per hour
- Rental fee: $5.75
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