Answer:4
Step-by-step explanation:3-8=-5. But because it is in absolute value, it would be positive 5. And then 5-1=4.
Answer:
10 centimeters
Step-by-step explanation:
Let
L=event that a selected worker has low risk
H=event that a selected worker has high risk
We need to find
P(HL)+P(LH)
=5*20/(25*24)+20*5/(25*24)
=1/6+1/6
=1/3
It's the same as adding 2 fractions the product of 2 rational numbers is rational
Answer: 1 canteen
Step by step: 12 boys divided by 12 canteens 1, so each boy gets 1 canteen