Bidmas 7+8 divided 5-2

There were 816 people at a concert when a band started to play. after each song, only half the people stayed to hear the next song. how many people were left at the concert after x songs? write a function to represent this scenario.

Sum is 17 and their difference is 3

Find all solutions for 2y - 4x =2 y = 2x + 1 site: socratic.org