Mandy received $50 in her paycheck on a shirt. she spent 2/5 of her paycheck on a shirt. she spent 3/10 of her paycheck on a necklace. she spent her remaining money on lunch. how much money did she spend on lunch?

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

70.30

step-by-step explanation:

25.3

step-by-step explanation:

1st step

add 3+6

=9

multipy 9*3

=37