Posted by HELP HELP MNHS on .
A car travels 20 km/h faster than a truck. The car covers 360 km in 3 hours less time than the truck.Find the speed of the truck.
(kindly write the solution, thanks alot)

distance problem 
Damon,
vc = vt + 20
tc = tt  3
360 = vc tc = (vt+20)(tt3)
360 = vt tt so tt = 360/vt
360 = (vt+20)(360/vt  3)
360 vt = (vt+20)(3 vt +360)
360 vt = 3 vt^2 60 vt + 360 vt + 7200
3 vt^2 + 60 vt 7200 = 0
vt^2 + 20 vt  2400 = 0
(vt+60)(vt40) = 0
vt = 40 
distance problem 
HELP HELP MNHS,
sir what do you mean by vt and tt, vc and tc... tnx....

distance problem 
imcool,
yeah