Math help? Easy but I can't get it! :(


The distance driven in miles is proportional to the time driven in hours. Ebony drives at a constant rate and plots her progress on a coordinate plane. The point (3, 180) is plotted. At what rate is Ebony driving in miles per hour?

A)

40 mph

B)

50 mph

Eliminate

C)

60 mph

D)

70 mph