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Concept explainers
Exercises 43-50 refer to the following
Write Number2
Replace each of the first and third statements of this program by a statement that inputs a number from the user.
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Chapter 1 Solutions
Prelude to Programming
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- 4. During each summer, John and Jessica grow vegetables in their backyard and buy seeds and fertilizer from a local nursery. The nursery carries different types of vegetable fertilizers in various bag sizes. When buying a particular fertilizer, they want to know the price of the fertilizer per pound and the cost of fertilizing per square foot. The following program prompts the user to enter the size of the fertilizer bag, in pounds, the cost of the bag, and the area, in square feet, that can be covered by the bag. The program should output the desired result. However, the program contains logic errors. Find and correct the logic errors so that the program works properly. // Logic errors. #include #include using namespace std; int main() { double costs double area; double bagsize; cout > bagsize; cout > cost; cout > area; cout << endl; cout << "The cost of the fertilizer per pound is: $" << bagsize / cost << endl; cout << "The cost of fertilizing per square foot is: $" << area / cost << endl; return 0; }arrow_forwardExercise 4: Selection and loop statements A certain professor gives 5-point quizzes that are graded on the scale 5-A, 4-B, 3-C, 2-D, 1- F, 0-F. Write a program that accepts a quiz score as an input and prints out the corresponding grade. The input data must be a float numbers and between 0 and 5 Example Input : Quiz score: 3 Output: The grade is C. Exercise 4 Write an improved version of the future value program from Chapter 2. Your program will prompt the user for the amount of the investment, the annualized interest rate, and the number of years of the investment. The program will then output a nicely formatted table that tracks the value of the investment year by year. Your output might look something like this:arrow_forwardInstructions The program in the Programming Example: Fibonacci Number does not check: Whether the first number entered by the user is less than or equal to the second number and whether both the numbers are nonnegative. Whether the user entered a valid value for the position of the desired number in the Fibonacci sequence. Rewrite that program so that it checks for these things. NOTES: If an invalid number is entered for case 1 above, prompt the user to enter both numbers again. If an invalid number is entered for case 2, prompt the user to enter a value until a valid value is entered. the code: #include <iostream> using namespace std; int main() { //Declare variables int previous1; int previous2; int current; int counter; int nthFibonacci; cout << "Enter the first two Fibonacci numbers: "; //Step 1 cin >> previous1 >> previous2; //Step 2 cout << endl; //verify the first two values if(previous1<0 && previous2>0)…arrow_forward
- Extra Credit Question Question 36 Write a program based on following algorithm: I. Input height of student1 in centimeters. II. Input height of student2 in centimeters. III. Input heigh of student3 in centimeters. IV. Compute the average of 3 heights. V. Convert the average height into meters. V. Display the result in following format: The average height of the three student is xx.xx meters. (use 2 decimal place) Note: 1 meters = 100 centimeters. - Narrow_forwardName of student: Kristel Answer immediately thanksarrow_forward17. Math Tutor Write a program that can be used as a math tutor for a young student. The program should display two random numbers to be added, such as 247 +129 The program should then pause while the student works on the problem. When the student is ready to check the answer, he or she can press a key and the program will display the correct solution: 247 +129 376arrow_forward
- PROGRAM 6: Three Zero GameWrite an HLA program that reads a number. Then by subtracting off a three and tens, determine if that value ends in a zero or a three. Three such numbers in a row wins the game! Shown below are sample program dialogues to help you build your program. Gimme a number: 20It ends in zero!Keep going...Gimme a number: 53It ends in three!Keep going...Gimme a number: 41Sorry Charlie! You lose the game!Gimme a number: 50It ends in zero!Keep going...Gimme a number: 23It ends in three!Keep going...Gimme a number: 70It ends in zero!You Win The Game! Gimme a number: 51Sorry Charlie! You lose The Game!arrow_forwardIn C# pleasearrow_forwardComputer sciencearrow_forward
- C++ Programming: From Problem Analysis to Program...Computer ScienceISBN:9781337102087Author:D. S. MalikPublisher:Cengage Learning
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