Answer:
Percent means per- amount
And the second one is dividing.
Step-by-step explanation:
Answer:

Step-by-step explanation:

Answer:
(1/2) (4k) + 12 = 2k + 12
Answer:
If 0.2 = 20%, The probability that 1 person will be infected is 100%, according to theory.
Answer:
The correct answer would be J;
;
Step-by-step explanation:
Using the algebra;
= 

Altogether this would give "J" as the answer.
Hope this helps!