4 because $12.50-$5.25=$7.25 you then divide $7.25 by $1.50 which is 4.833333 Therefore the maximum number of games Chuck can play is 4
The slope of the line
is
.
The line perpendicular to the above line has slope
Its equation is
. Since this line passes through,
,

Thus the equation of the line in slope intercept form is 