2.5h + 3.5
This is because it will cost $2.50 for every hour you use, plus an additionally fee for set up
The cost to rent an umbrella for h hours is calculated as 3.50 + 2.50 h , where 3.50 is the setup fee and 2.50 h represents the hourly charge. You can substitute any hour value for h into the equation to get the total cost. For example, if h = 3 , the total cost would be 3.50 + 2.50 × 3 = 10.50 .
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