Answer:
- def driving_cost(driven_miles, miles_per_gallon, dollars_per_gallon):
- gallon_used = driven_miles / miles_per_gallon
- cost = gallon_used * dollars_per_gallon
- return cost
-
- miles_per_gallon = float(input("Input miles per gallon: "))
- dollars_per_gallon = float(input("Input dollar per gallon: "))
-
- cost1 = driving_cost(10, miles_per_gallon, dollars_per_gallon)
- cost2 = driving_cost(50, miles_per_gallon, dollars_per_gallon)
- cost3 = driving_cost(400, miles_per_gallon, dollars_per_gallon)
-
- print("$ %.2f" % cost1)
- print("$ %.2f" % cost2)
- print("$ %.2f" % cost3)
Explanation:
The solution is written in Python 3.
Firstly, create a function driving_cost that takes three parameters, driven_miles, miles_per_gallon and dollars_per_gallon (Line 1). In the function, calculate the gallon consumption by applying formula driven_miles / miles_per_gallon and then use it to calculate the cost (Line 2 - 3). Return the cost as output (Line 4).
In the main program, prompt user to input miles per gallon and dollars per gallon and then use these input values as arguments to call the function driving_cost function for three times with each time with different driven_miles value (Line 6 - 11).
At last, use formatted print to display the output to two decimal points (Line 13 - 15).
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