Marco walked while his sister Amy ran at the track. Their distances and times are shown on the graph

How much further did Amy go than Marco in 120 minutes?


A. 4 miles
B. 4 1/2 miles
C. 6 miles
D. 9 miles




PLEASE HELP!!

Marco walked while his sister Amy ran at the track Their distances and times are shown on the graph How much further did Amy go than Marco in 120 minutes A 4 mi class=