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Evaluate the following expressions and get value of x and y by hand.x = 3 + 4 – 7 * 8 / 5 % 10y = 3 / 2 + 3 * 8 / 3 – 3 + 1.5 / 3Write a C program and check your answers

Question

Evaluate the following expressions and get value of x and y by hand.x = 3 + 4 – 7 * 8 / 5 % 10y = 3 / 2 + 3 * 8 / 3 – 3 + 1.5 / 3Write a C program and check your answers

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Solution

Let's break down the expressions step by step:

For x = 3 + 4 – 7 * 8 / 5 % 10

Step 1: Perform multiplication and division from left to right = 3 + 4 - 56 / 5 % 10 = 3 + 4 - 11.2 % 10

Step 2: Perform modulus operation = 3 + 4 - 1.2 = 7 - 1.2

Step 3: Perform addition and subtraction from left to right = 5.8

So, x = 5.8

For y = 3 / 2 + 3 * 8 / 3 – 3 + 1.5 / 3

Step 1: Perform multiplication and division from left to right = 1.5 + 24 / 3 - 3 + 0.5 = 1.5 + 8 - 3 + 0.5

Step 2: Perform addition and subtraction from left to right = 7

So, y = 7

Now, let's write a C program to check these results:

#include <stdio.h>

int main() {
    float x = 3 + 4 - 7 * 8 / 5 % 10;
    float y = 3 / 2 + 3 * 8 / 3 - 3 + 1.5 / 3;
    printf("Value of x: %.1f\n", x);
    printf("Value of y: %.1f\n", y);
    return 0;
}

When you run this program, it should print:

Value of x: 5.8 Value of y: 7.0

This confirms our manual calculations.

This problem has been solved

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