keeping in mind that a year has 12 months, thus 6 months is really 6/12 of a year.

Answer:
In order to evaluate a function, replace the input variable (the number or expression given) (place holder, x). Replace the x by the number or word.
Step-by-step explanation:
Answer:
x = 11
Step-by-step explanation:
(0.3x - 2.1)/3 = 0.4
0.3x - 2.1 = 0.4 * 3
0.3x - 2.1 = 1.2
0.3x = 1.2 + 2.1
0.3x = 3.3
x = 3.3/0.3
x = 11
<span>8/20 * 100 = 0.4 * 100 = 40% </span>