Answer:
ambut lnghsks jsbdjjdidbeh hi dnsvvs
-459
Step-by-step explanation in image
Seth traveled 1mi/57.1s
you need to convert mi/s to mi/h
we need to found how many seconds are in an hour (3,600)
so 3,600/57.1=63.047
63.047mi/h
63mi/h (rounding)
hcf = 8..................