Answer:

Step-by-step explanation:
1: find the perpendicular gradient - this is the negative reciprocal of the original gradient:

2: Substitute in the coordinate to find the value of c:

3: Put it all together:

Yo creo que es la b por el precio original de la tv es 500
Answer:
The ansswer is the last one. (Crazy)
Step-by-step explanation:
Answer is in the screenshot.
I think A because 560×3=1,680