Juice is 20-cup * 75% = 15-cup, now water and juice are in total (4+20)-cup, so the percent of juice should be 15/24=62.5%
The answer is X=-7 and X=6
Answer:

Step-by-step explanation:
Given

Required
Determine number of items that gives maximum earnings;
The general form of a quadratic equation is:

And the maximum is calculated as:
If a<0
Comparing
to 
We have that:

Substitute these values to




<em>The number of item that maximizes the function is when y = 15</em>
Answer:
i!^dkk
Step-by-step explanation:
more than
Answer:
<h2>C) PA = PB</h2>
Step-by-step explanation:
AB = PB + PA
PC is the perpendicular bisects of the segment BA.
Therefore PB = PA → AB = 2PB = 2PA → PB = PA = 1/2AB.