Question 886324
Distance = rate * time so time = distance/rate.<P>
1.  300/50 = 6 hours<P>
2.  300/70 = 30/7 hours = approximately 4.29 hours<P>
3.  300/x = 300/x hours<P>
4. 300/(x+10) hours<P>
5. 300/(x-5) hours