Answer:
80+50P
Step-by-step explanation:
80 is fixed
50 is variable
1 device = 130
2 decices = 180
the radius is 8.917197452 in
The equation is separable, so solving it is trivial:

Integrating both sides gives

Given
and
, we find


so the answer is E.
Answer is C).
One way to find the answer is to multiply the $54 by .30 (which is 30%converted to a decimal). Doing this will give you what 30% of $54 is.
This gives you 16.2
Since the question is asking what 30% off the price is, subtract the 16.2 from the $54.
Answer:
Step-by-step explanation:
2/3 30/60 30