8/40 is equal to 20%-students
5/10 is equal to 50%- teachers
√5 is √5!!!
It's irrational number.
2 < √5 < 3 because 2² = 4 < 5 < 3² = 9
√5 ≈ 2.236
Answer:
POSITIVE
Step-by-step explanation:
POSITIVE cuz it goes up
Because 4 people likes both, we take out 4 from the sum of both the number to avoid double count.
People who like both sports = 12 + 16 - 4 = 24
People who do not like either sport = 30 - 24 = 6