Question 154650
Distance(d) equals Rate(r) times Time(t) or d=rt;  r=d/t and t=d/r

Time required to travel the first 6 miles =6/10=3/5 hr
Time required for the remaining 3 miles=3/5 hr

Total time=3/5 hr +3/5 hr=6/5 hr=1hr 12min
CK
(3/5)*10+(3/5)*5=9
6+3=9
9=9


Hope this helps---ptaaylor