First, let's simplify the expression inside the parentheses:
130.2 - 30.8 = 99.4
Now, substitute this value back into the original expression:
(99.4):2.8 - 21.84
Dividing 99.4 by 2.8, we get:
35.5 - 21.84
Subtracting 21.84 from 35.5, we get:
13.66
Therefore, the final answer is 13.66.
First, let's simplify the expression inside the parentheses:
130.2 - 30.8 = 99.4
Now, substitute this value back into the original expression:
(99.4):2.8 - 21.84
Dividing 99.4 by 2.8, we get:
35.5 - 21.84
Subtracting 21.84 from 35.5, we get:
13.66
Therefore, the final answer is 13.66.