A car wash detailed 148 cars in 4 hours. At what rate did the car wash detail cars in cars per hour?
A. 38 cars per hour
B. 36 cars per hour
C. 35 cars per hour
D. 37 cars per hour

Ifound this on google “that means that the graph of a function with direct variation has these features: it is a straight line: because the slope is the ratio y/x = k. it passes through the origin (0,0): because y = kx = k (0) = 0.” i hope this you for what your looking for