A line segment on a coordinate plane representing the

distance a bicyclist is from home has a slope of 35/2

On the line segment, x represents the time, in hours,
that the bicyclist has been riding and y represents the
bicyclist's distance, in miles, from home. The bicyclist
began his ride at home and rides his bicycle at a
constant rate. How long will it take until the bicyclist is
140 miles from home?

A. 2 hours
B. 4 hours
C. 7 hours
D. 8 hours