Bob’s birthday bash was going to cost $200 plus $20 per person at the bowling alley or $250 plus $15 per person at the skate park. How many people would Bob have to invite for the skate park to have the better deal?

Since opening night, attendance at play a has increased steadily, while attendance at play b first rose and then fell. equations modeling the daily attendance y at each play are shown below, where x is the number of days since opening night. on what day(s) was the attendance the same at both plays? what was the attendance? play a: y = 8x + 191 play b: y = -x^2 + 26x + 126