car m takes 5hr to travel from point a to b.it would have taken 6 hr,if same car had travelled the same distance at a speed which was 15km/hr less than its original speed.what is distance between a and b ?

(ans 450 km)

2 answers

original speed ---- x km/h
slower speed ----- x-15 km/h

6(x-15) = 5x

solve for x
Once you have the speed x, multiply that by 5 to get the distance
A car travelled at an average speed of 72km/h how many km does it cover in 4.5hrs