Joyce ate 5 slices of cake. Gabriela ate 2 slices. If Joyce ate 5/12 of the cake, what fraction of the cake remained after Joyce and Gabriela had eaten?

a

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

its totaly b

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