The cost to park a car in a certain parking garage is $9.00 for up to 2 hours of parking and $1.75 ...

The cost to park a car in a certain parking garage is $9.00 for up to 2 hours of parking and $1.75 for each hour in excess of 2 hours. What is the average (arithmetic mean) cost per hour to park a car in the parking garage for 9 hours?

Answer/Solution

$2.36

Steps/Work

Total cost of parking for 9 hours = 9$ for the first 2 hours and then 1.75 for (9-2) hours = 9+7*1.75 = 21.25
Thus the AVERAGE parking price = 21.25/9 = 2.36 $
D is the correct answer.

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The cost to park a car in a certain parking garage is $ for up to hours of parking and $ for each hour in excess of hours. What is the average ( arithmetic mean ) cost per hour to park a car in the parking garage for hours?

Calculated Answer

2.3611111111111

Step by Step Solution

In order to solve problem, you must evaluate (n₀ + n₂ * (n₄ - n₁)) / n₄.

n₀ =	9.00
n₁ =	2
n₂ =	1.75
n₃ =	2
n₄ =	9

(n₀ + n₂ * (n₄ - n₁)) / n₄
Evaluate n₄ - n₁ = 7
(n₀ + n₂ * 7) / n₄
Evaluate n₂ * 7 = 12.25
(n₀ + 12.25) / n₄
Evaluate n₀ + 12.25 = 21.25
21.25 / n₄
Evaluate 21.25 / n₄ = 2.3611111111111
2.3611111111111
The answer to the problem and the result of (n₀ + n₂ * (n₄ - n₁)) / n₄ is 2.3611111111111

Quiz

Answer/Solution

Steps/Work

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Calculated Answer

Step by Step Solution