Expand the following : 3(2x = 3 )

What is the solution to the inequality

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.

Abus travels 36 miles in 45 minutes. enter the number of miles the bus travels in 60 minutes at this rate.