Answer:
12
Step-by-step explanation:
We can write the following ratio
1:3 (for every student who gets an A 3 gets a b)
We then can write a new ratio
4:x
We can solve this ratio by multiplying the original ratio by 4
4:12
This means that 12 people earned an B
Deductive reasoning involves starting from a set of rules and conditions to establish what must be true. It involves elimination method of any scenarios given.
From the definition of deductive reasoning, A. is the correct answer to the current question.
Divide 30 by 5. For example 30/5= 6. 5 lots of 6 make up 30, so that means 1/5 th of 30 is 6.
I believe the GCF would be 2n