h + 2h+5 - 15 = 180
3h = 190
Hmmm. h must be an integer. I suspect a typo
63+131-15 = 179
64+133-15 = 182
in a school,180 students play hockey or football.the number that play football is 5 more than twice the number that play hockey.if 15 students play both games and every student in the school plays at least one game,find:1) the number of students that play football.2)the number of students that play football but not hockey.3)thr number of students that play hockey but not football
1 answer
18 answers