Answer:
A.
Step-by-step explanation:
I TOOK THIS CLASS LAST YEAR.
so you were earning say "x", so "x" is the 100% of your paycheck.
but you're da bomb and so you got a raise of 5%, so the new amount of your paycheck is 100% + 5%, so is 105% really, and we happen to know that is $100.

Answer:
I believe it is A
Step-by-step explanation:
I dont quite remember the formula, but I belive that 30 would be correct because if im remembering correctly the formulas are "a + b = c" and "c - (a/b) = (a/b)
a/b = a or b, depending what they give you