Question

An express train tekes 1 hour
less than a passager train to travel
132km. the average speed of the express train is 11 km/hour more than the speed of the passenger train. find the average speed of each of the trains and solve by quadratic formula
$\frac{x = - b + - \sqrt{b {}^{2} - 4ac} }{2a}$
​

Answer 1

Answer:

44

Step-by-step explanation:

let average speed be X km /hr

then the average speed=(X+11)km/hr

Answer 2

Answer:

speed of express train=44

speed of passenger train =33