In a senior secondary school, 80 students play hockey or football. The number that play football is 5 more than twice the number that play hockey. If the 15 students play both games and every student in the school playsat least one game, find:
The number of students that play football?  Pick one:
A) 10	B) 15	C) 20	D) 30	E) 35
number who play hockey ---- x   number who play football -- 2x+5   x + 2x+5 = 80   x = 25   so 25 play hockey, 55 play football, and 15 play both   Answer is 15
<result>B</result>
In a senior secondary school, 80 students play hockey or football. The number that play football is 5 more than twice the number that play hockey. If the 15 students play both games and every student in the school playsat least one game, find:
The number of students that play football?