C program to calculate amount with tax using assignment operator

Question

Write a C program that enters a dollar amount and then adds 18% tax to display the amount.

Solution

Let's consider the restaurant personnel adding an 18% tax to each customer's bill.

The logic used to calculate the tax is -

value=(money (money * 0.18));

The money should be multiplied by 18 % and added to the money, the restaurant staff can then receive the tax-included amount from the customer.

Example

Live Demonstration

#include<stdio.h>
int main(){
   float money,value;
   printf("enter the money with dollar symbol:");
   scanf("%f",&money);
   value=(money + (money * 0.18));
   printf("amount after adding tax= %f</p><p>",value);
   return 0;
}

Output

enter the money with dollar symbol:250$
amount after adding tax= 295.000000

Example

Let us consider the same program by changing the percentage -

Live demonstration

#include<stdio.h>
int main(){
   float money,value;
   printf("enter the money with dollar symbol:");
   scanf("%f",&money);
   value=(money + (money * 0.20));
   printf("amount after adding tax= %f</p><p>",value);
   return 0;
}

Output

enter the money with dollar symbol:250$
amount after adding tax= 300.000000

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