Step-by-step explanation:
part 1 : explaining how to get the coordinates of B
part 2 : the gradient of BD
You can determine the actual markdown by changing the percentage to a decimal then multiplying it by the price to find your mark down.
I believe it’s A, C, and E
3/8 + 5/2
=3/8 + 20/8
= 23/8
or
= 2 7/8
The metric system is another system of measurement used to describe an objects capacity