Alice wants to buy a book that costs $129.95. An additional 13% HST will be adde

Question

Alice wants to buy a book that costs $129.95. An additional 13% HST will be added to the cost of the book. a. Calculate the amount of HST to be added (rounded to the nearest cent) and assign this value to a variable called hst. Calculate the total amount Alice will have to pay and assign it to a variable called total. c. i) Display the amount of HST calculated with a suitable message, ii) Display the total amount to be paid with a suitable message. Over the past month, Bob put gas in his car four times, at the following rates: 20 liters at $0.93 per liter 35 liters at $0.95 per liter 30 liters at $0.92 per liter 40 liters at $0.94 per liter

Explanation / Answer

1. Implementation in C

#include <stdio.h>

#include <math.h>

int main()

{

       float book_price=129.95,hst,total;

// calculating HST

hst=(book_price*13)/100;

total=book_price+hst;

       printf("you have to pay %.2f as HST ",hst); //%w.nf where w = Integer number for total width of data and n is the number of digit printed after decimal point.

       printf("the total cost of the book is %.2f ",total);

       return 0;

}

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