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Answer all 4 questions. All questions carry equal marks. Remember to save all
files as you go along.
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Question 1
==========

Write a program called feet2cm.cc that converts a person's height measured in
feet and inches to cm. The program should read in the number of feet followed
by the number of inches. It should then convert them to cm and display the
final result to the user. There are 12 inches in a foot and 1 inch is 2.54cm.
For example:

Enter the number of feet:
5
Enter the number of inches:
10
That is 177.8cm

Question 2
==========

Write a program called minimum.cc that asks the user to enter 3 numbers and
prints out the minimum of the numbers entered. For example:

Enter 3 numbers:
2 2 1
The minimum value is 1

Question 3
==========

Write a program called average.cc that calculates the average of a set of
numbers. The program should first ask the user how many numbers she wishes to
enter, then read in the numbers before calculating and displaying their average.
For example:

How many numbers do you wish to enter?
5
Enter a number:
3
Enter a number:
3
Enter a number:
3
Enter a number:
3
Enter a number:
1
The average is 2.6

Question 4
==========

Study the code given in the file program.cc.

4.1
===

Briefly (in less than 3 lines) describe what the program does.

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Enter your explanation here
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4.2
===

Modify the program so that it:

1. Asks the user to enter values for a, b, c
2. Prints out the minimum y computed
3. Prints out the value of x when the minimum y was computed

For example:

Enter values for a, b, c:
2 3 1
Computed values are:
-5, 36
-4, 21
-3, 10
-2, 3
-1, 0
0, 1
1, 6
2, 15
3, 28
4, 45
Minimum reached: 0
At time: -1

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