Answer:
Step-by-step explanation:
When a slope of a line and a point passing through it is given then we use slope - one point form to determine the equation of the line.
It is given by:

where
is the slope of the line and
is the point passing through it.
Here,
and 
Substituting in the equation:



Answer:
$78.69
Step-by-step explanation:
63.04+58.27=121.31
200-121.31=78.69