Marge planted rows of 5 flowers in her garden. There were 60 flowers left in her garden after she picked 15 flowers. Which equation can be used to find the number of rows of
flowers, r, Marge planted?

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