To make a positive profit p(x)>0 we need to make:

Now we solve this for x:

We have:
a = -2
b = 7
c = -3
We will use formula for quadratic equation:

We got two solutions. One is fraction other is whole number. We will not consider fraction because the amount of muffins sold must be whole number. So our solution is:
x>3
Answer:
-56;+4
Step-by-step explanation:
56 oopposite is -56
-(-4)=+4
The answer to this will be a positive multiply 3 and 11 you'll get 33 and multiply 4 and 5 and you'll get 20
33/20
12.5% of 360 is 45
360-45 is 315
Answer is £315
Answer:
678
Step-by-step explanation:
Okay I'll try to help you. :)