Answer:
4
Step-by-step explanation:
First, get x to one side.
subtract 6x to both sides
-8 = -2x
Then divide -2 to both side
Answer:
total kids in the camp = 300
Step-by-step explanation:
let the number of kids in the camp be x
from the above situation, we get
=》70% of all kids in the camp is 210
=》
=》
=》
=》
Answer:
B
Step-by-step explanation:
B gives you 8/12, which can be simplified down to 2/3.
Answer:
The joint probability of the two events is one.
Step-by-step explanation:
Complementary events:
If two events are complimentary, these three following things are true:
They are dependent.
The intersection of them is zero.
The joint probability of the two events is one.
The last one is the correct choice.
