Answer:
-6
Step-by-step explanation:
The slope of a perpendicular line has the slope of the opposite and reciprocal of the current line. We would get -1/6 and then -6.
Y=mx+b is what I learned and point slope is y-y1=m*x-x1
I think or know that it is 40
Are you looking for p=7.69411764
The equation is 138=300-3x
now solve by first subtracting 300 from each side: -162=-3x
divide each side by -3: x=54
The wise man is 54 years old