Atrain traveled 210 miles in 3.5 hours to its first stop. it then continued on traveling another 130 miles in 2.5 hours. 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 answer asap

 = 56.7 miles per hour

Step-by-step explanation:

To find the average speed for the entire journey, we need to find the entire distance   and the  total time

Entire distance = 210 miles + 130 miles = 340 miles

Total time = 3.5 hours and 2.5 hours = 6 hours

Average speed = distance/ time = 340 miles/ 6 hours

                            = 56.66666666666 miles per hour

Rounding to the nearest tenth

                              = 56.7 miles per hour

the answer

b. they are parallel and will never intersect.