Lola buys 5 movie tickets. She has a coupon for $3 off each ticket. She pays $45 for the tickets. What is the regular price of a
2 answers:
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Answer:
//Scanner class is imported to allow program receive user input
import java.util.Scanner;
//The Solution class is defined
public class Solution {
// main method that begin program execution is declared
public static void main(String args[]) {
// Scanner object scan is created
Scanner scan = new Scanner(System.in);
// A prompt is displayed to the user
// the prompt asked the user to enter a number
System.out.println("Enter a number: ");
// the user input is assigned to a variable size
int size = scan.nextInt();
// an empty string name is initialized
String name = "";
// A string array called names is initialized
// have the inputed number as size
String names[] = new String[size];
// A for-loop that allow a user to enter name
// and fill the array with it
for(int i = 0; i < size; i++){
// A prompt is displayed asking the user to enter a name
System.out.println("Enter a name: ");
// the received input is assigned to name
name = scan.next();
// name is assigned to an index
names[i] = name;
}
// A blank line is printed for clarity
System.out.println();
// for-loop to loop the array and print the entire element
for(int i = 0; i < size; i++){
System.out.println(names[i]);
}
}
}
Step-by-step explanation:
The program is well commented and written in Java. A sample image of program output during execution is attached.
Answer:
Step-by-step explanation:
There are a total of 7 + 9 + 2 = 18 balls in the vase, therefore, when not replacing the first ball, there would be 18 · 17 = 306 ways to pull 2 balls. There are 2 ways to choose the first black ball and then 1 way to choose the second black ball so there are 2 · 1 = 2 ways to choose 2 black balls. Therefore, the probability is 2 / 306 = .