What does the equation 100+0.05p=0.25p represent?

it's both, now can you answer my most recent question?

i think the correct option is the second option.

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