A contractor owned a huge piece of land at a lake. He decided to divide the land up and sell it in pieces. He broke the land up into 18 different pieces. He sold 17 pieces of the land, and kept one for himself. What is a reasonable estimate for the percentage of pieces of land he sold? Select the best answer from the choices provided. A. 50% B. 60% C. 75% D. 90% Reset Next​