Atrain traveled 210 mi in 3.5 h to its first stop. it then continued on traveling another 130 mi in 2.5 h.

what was the average speed of the train for the entire journey?

round to the nearest tenth, if necessary.

52.0 mi/h

56.0 mi/h

56.7 mi/h

60.0 mi/h

the one that has a slope of 1/2 and is positive.

step-by-step explanation: 2 buckets 1 trip ; 4 buckets 2 trips and so on.

10/60

step-by-step explanation:

if you divide 10 by 60 the answer is 0.166666 while if you divide or solve the other problems it equals 0.6