You need to have only one for
loop:
import java.util.Scanner;
public class NTC
{
public static void main(String[] args)
{
Scanner kb=new Scanner(System.in);
int loop = 10;
double rate=0;
int time=0;
int count;
double distance = rate*time;
System.out.println("How many times would you like to calculate the distance.");
loop = kb.nextInt();
for (count = 0; count < loop; count++)
{
System.out.println("Enter rate");
rate = kb.nextDouble();
System.out.println("Enter time");
time = kb.nextInt();
System.out.println("The distance is "+(rate*time));
}
}
}