Answer:
The answer to your question is 
Step-by-step explanation:
Here, there is a difference of squares, so just solve it and simplify

Multiply the binomials
= 1 - 
Simplify
= 
= 
For this case we must solve the following equation:

Adding
to both sides of the equation we have:

Subtracting 6 from both sides of the equation:

Equal signs are added and the same sign is placed:

We multiply by 15 on both sides of the equation:

We divide between 17 on both sides of the equation:

Thus, the value of the variable p is 
Answer:

<span>Cora, her sister, and four friends = 6 people
120 / 6 = 20
Answer: Each person will get 20 candies</span>