Chapter 8.2, Problem 8E

(a)

Program Plan Intro

To create a file named as car.dat and insert the given data without the headings.

(b)

Program Plan Intro

Program plan: -

• Import header file and use namespace for standard I/O.
• Define the main function.
• Create the object of ifstream class and opening the file.
• Declare the variables.
• Use the while-loop to iterateover the file to read the content.
• Display the header.
• Calculate the mpg.
• Increment the value of total cars after reading each line.
• Calculate the total Miles Driven the total Gallons Used.
• Display the total Miles Driven, total Gallons Used, and then calculate and display the average gallons used.

Program description: -

The main purpose of the program is to read the data of the file created in exercise 8a and display the car number, miles driven, gallons of gas used, and miles per gallon. Also, calculate and display the total miles driven, total gallons used and the average mpg for all cars.