Answer:
57
Step-by-step explanation:
3 * 3 * 3 = 27 + 5*6 =30 27+30=57
Hope this helps!
Answer:
Step-by-step explanation:
Not sure sorry I will look at it again though
Answer:
950
Step-by-step explanation:
854+96=950 I need more characters so ingnor this sentence.
Answer:
The maximum revenue is $900, obtained with 30 people
Step-by-step explanation:
Naturally, the answer should be a number equal or higher than 20, because up to 20 persons, each one pays the same. Lets define a revenue function for x greater than or equal to 20.
f(x) = x*(40-(x-20)) = -x²+60x
Note that f multiplies the number of persons by how much would they pay (here, assuming that there are more than 20).
f is quadratic with negative main coefficient and its maximum value will be reached at the vertex.
The value of the x coordinate of the vertex is -b/2a = -60/-2 = 30
for x = 30, f(x) = 30*(40-(30-20))=30*30=900
So the maximum revenue is $900.
