2. what percent of 80 is 60?
tell me in details of how to work it out or how to solve it

if we take 80 as the 100%, what is 60 off of it in percentage?

im pretty sure its

(8,15)

step-by-step explanation:

for this case we have by definition, if two lines are perpendicular, then the product of their slopes is -1.

then, given the following line:

so,

we are looking for m_ {2}:

then, the line is given by:

we find "b" replacing the given point:

finally, the equation is:

option c