Mike can travel 5 2/3 miles on his bike in an hour. He has 2 3/4 cups of water to drink during his hour ride. If he spaces his water out evenly through his bike ride, how much water does Mike drink each mile he bikes?

Can someone answer this question for me

Due to bad planning, two of the local schools have their annual plays on the same weekend. while 457 people attend one, and 372 attend the other, only 104 people were able to attend both. how many people went to at least one play?

Find the solution on the interval [0, 2pi)