Krista has a quiz today. There are 4 questions with 4 options. Each question only has one correct answer. She wants to guess and
1 answer:
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The fee Jack Duffy charges per mile is $0.278, making option B correct.
Detailed explanation:
Given:
Jack Duffy's travel distance = d = 12,568 miles
Fixed costs amount to = $1,485.00
Variable costs amount to = $2,015.75
Let the cost per mile charged by Jack Duffy be = $x
According to the provided information
Total cost = Fixed costs + Variable costs
Thus, Total cost = $1,485.00 + $2,015.75
This equates to Total cost = $3,500.75
Therefore, The cost Jack Duffy charges per mile =
Hence, x = $0.278 per mile
This leads us to conclude that Jack Duffy’s charging rate is $0.278 per mile, confirming option B.
Indeed, a fare of $40 is a fair charge for the cab ride.
Explanation
Sheri's cab fare totaled $32, with a gratuity rate of 20%.
The gratuity amount is:
Thus, the total cab fare including gratuity is:
Since Sheri issued a $40 check to the cab driver, it indicates she provided ($40 - $38.40) or an extra $1.60 to the cab driver. Consequently, the $40 payment is reasonable for the cab fare.