1. Mrs. Whitman refers to 7 people in her group: Dr. Whitman, Mr. Gray, Mr. and Mrs. Spalding, Richard Tak-ah-too-ah-tis, John Altz, and herself.
   
   
   1. When they get up in the morning, if they each shake hands with every other person once, how many handshakes will there be? Explain your thinking.
      
      
   2. Later in the trip, there were 10 people in the group. How many more handshakes would there be with the larger group? Explain your thinking.
      
      
2. If the five missionaries (Dr. Whitman, Mrs. Whitman, Mr. Gray, Mr. Spalding, Mrs. Spalding) take turns riding in the wagon two at a time, how many different ways can they be grouped in the wagon? Explain your thinking.

Bonus Questions

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