The program calculates the value of y by adding 4 to x , which is set to 17. Thus, y becomes 21, and when printed, the output will be 21. The final output is 21.
;
The variable x is assigned the value 17.
The variable y is calculated as x + 4.
Substituting x = 17, we get y = 17 + 4 = 21.
The program prints the value of y, so the output is 21 .
Explanation
Understanding the Program We are given a simple program where the variable x is assigned the value 17, and the variable y is assigned the value of x + 4 . The program then prints the value of y . Our goal is to determine what the program will output.
Calculating the Value of y To find the value of y , we substitute the value of x into the equation:
y = x + 4
Since x = 17 , we have:
y = 17 + 4
Performing the addition, we get:
y = 21
Determining the Output The program will print the value of y , which we have calculated to be 21. Therefore, the output of the program is 21.
Examples
Imagine you are baking a cake. You start with 17 chocolate chips ( x = 17 ). Then, you decide to add 4 more chocolate chips ( y = x + 4 ). The total number of chocolate chips in your cake batter is y = 17 + 4 = 21 . This simple addition is used in many everyday situations, such as calculating the total number of items or the total cost of multiple items.