Answer:
8 people ordered ice cream
Step-by-step explanation:
28/7=4
4x2=8
Answer:
The maximum amount of profit is 32
Step-by-step explanation:
Given

Required
Determine the maximum profit
This is calculated by calculating the maximum of the function.
A quadratic function is of the form

and its maximum is:

So: 
We have that







<em>Hence, the maximum amount of profit is 32</em>
Answer:
15=24
20=x
cross multiply
15x=24*20
15x=480
divide both sides by 15
x=480/15
x=32
it will take her 32 minutes
Answer:
4
Step-by-step explanation:
you're just going to plug in 15 where f is so its asking 15-11 which would be four