Ado, Ben and Kolo are aged 12, 14 and 20 respectively. They share N690 in the ratio of
their ages. How much does each get?

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

where is abdul's work? don't see that anywhere posted : /

step-by-step explanation: