Answer:
The percentage of customers who buy an extended warranty is 33%.
Step-by-step explanation:
In this problem, we have these following percentages.
35% of the customers select the basic camera.
This also means that:
65% of the customers select the deluxe version. (Since you can buy only two versions of the hard disk camera and the sum of the percentages is 100%).
20% of those who select the basic camera also purchase the extended warranty.
40% of those who select the deluxe version also purchase the extended warranty.
What is the percentage of customers who buy an extened warranty?
![P = P_{1} + P_{2}](https://tex.z-dn.net/?f=P%20%3D%20P_%7B1%7D%20%2B%20P_%7B2%7D)
is the percentage of those who buy the basic version with the extended warranty. So it is 20% of 35%. So
![P_{1} = 0.20*0.35 = 0.07](https://tex.z-dn.net/?f=P_%7B1%7D%20%3D%200.20%2A0.35%20%3D%200.07)
is the percentage of those who buy the deluxe version with the extended warranty. So it is 40% of 65%. So
![P_{2} = 0.40*0.65 = 0.26](https://tex.z-dn.net/?f=P_%7B2%7D%20%3D%200.40%2A0.65%20%3D%200.26)
![P = P_{1} + P_{2} = 0.07 + 0.26 = 0.33](https://tex.z-dn.net/?f=P%20%3D%20P_%7B1%7D%20%2B%20P_%7B2%7D%20%3D%200.07%20%2B%200.26%20%3D%200.33)
The percentage of customers who buy an extended warranty is 33%.
4 = 7 - 3
1 = 4 - 3
-2 = 1 - 3
-5 = -2 - 3
=> An = A (n-1) - 3, where A1 = 7
The next term is A6 = A5 - 3 = - 5 - 3 = - 8
So the answer is the fourth option.
A) Angle 1 + Angle 2 = 180
B) Angle 1 - Angle 2 = 16
Adding both equations:
2 * Angle 1 = 196
Angle 1 = 98
Angle 2 = 82
A. I did the steps on the paper