James is 12 years old and his brother is 16. Which ratio represents James' age to his brother's age 4 years from now?

16/20=1/4

Step-by-step explanation:

James is 1/4 younger then his brother

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