how do i split an array of strings and ints.

you can try to use the following:

 class Program
    {      

        static void Main(string[] args)
        {
             // declare and array of integers          
            string[] name = new string[10];
            int[] score = new int[10];

            Console.WriteLine("\nSaturday Coder's Bowling Team");
            Console.WriteLine("Enter in a name and score for each person on the team.");
            Console.WriteLine("For example, Mary 143. Just hit Enter when you are done.\n");

            // fill an array with user input
            for (int i = 0; i < score.Length; i++)
            {
                Console.WriteLine("Enter in a name and score: ");
                string line = Console.ReadLine();

                name[i] = line.Substring(0,line.IndexOf(' '));              
                score[i] = int.Parse(line.Substring(line.IndexOf(' ') + 1));
            }

            Console.WriteLine("------------ Input Complete ------------\n");
            Console.WriteLine("Here are the scores for this game:");

            for (int i = 0; i < score.Length; i++)
            {
                Console.WriteLine("{0}'s score was {1}.", name[i],score[i]);
            }

            Console.WriteLine();
            HighScore(score,name);
            LowScore(score,name);
            AverageScore(score);

            Console.WriteLine("Press Enter to continue. . .");
            Console.ReadLine();
        }

        static void HighScore(int[] score,string[] name)
        {            
            int max = score.Max();
            for (int i = 0; i < score.Length; i++)
            {
                if (score[i] == max)
                {
                    Console.WriteLine("Congratulations {0}, your score of {1} was the highest.", name[i],score[i]);
                }
            }
        }

        static void LowScore(int[] score,string[] name)
        {
            int min = score.Min();
            for (int i = 0; i < score.Length; i++)
            {
                if (score[i] == min)
                {
                    Console.WriteLine("{0}, your score of {1} was the lowest. Better get some practice.", name[i],score[i]);
                }
            }
        }

        static void AverageScore(int[] score)
        {
            int sum = score.Sum();
            int average = sum / score.Length;
            Console.WriteLine("The average score for this game was {0:d}.", average);
        }                   
    }