Need help Asap Scan this on your phone (its my presentation need to know if its good ) I will give brainliest :)

At dinner, 2/5 of the people had fish and 1/3 had chicken. if everyone else had lamb, what fraction of the people had lamb? and if 40 people had lamb , calculate the total number of people at the dinner.

Idon’t understand this.. will someone ? will mark brainliest along with 20 points.

Choose the point slope form of the equation below that represents the like that passes through the points (-6,4) and (2, 0)