There is an unknown amount of people at the beginning of lunch. Then Each student had 2 friends come sit with them, tripling the amount. Then the entire group divided into 5 groups, and all but one group left and went outside, so only 1/5 of the total students were left in the lunchroom 3 more people came into the lunchroom The total number of people in the lunchroom at the end of lunch was 11 Which of the following equations would represent the story above to help us find how many people were in the lunchroom at the beginning?