two buses leave housten at the same time and travel in opposite directions. one buse averages 55mi/h and the other 4.5mi/h. when will they be 400 mi apart.

this probably is the easiest thing..and also could u write it out for me so when i do it i can actually get it...thnx

3 answers

is that 45 mi/h or 4.5 mi/h
45mi/h
1.6 miles x 60 min.
96 miles per hour
400 / 96 = 4hours &10 min.