<em>30, 20 and 10 are three numbers that are less than 40 and have 2 and 5 as factors.</em>
A room with no doors or windows is a mushroom
So... notice the picture below, that's P(x)
so

so.. when the quantity is

, is when the profit

is the highest
after that, as you can see from the graph, it goes back down
Answer:
87.92
Step-by-step explanation:

c= Circumference
d= Diameter

D, the answer is the same but in the parenthesis is reversed using the addiction something property