Question 726480
A trucker calculates that if he increased his average speed by 30 km/h,
he could travel his 340-km route in 5 h less time than his usual.
Find his usual speed (km/h).
:
Let s = his normal speed
:
Write a time equation; time = dist/speed
{{{340/s}}} -{{{340/((s+30))}}} = 5