Question

akhil covered a distanceof 15km in 60minutes . He covered first part of the journey by walking at 4.5km per hr and the rest of the journey is covered by car at the speed of 30 km per hr .find the distance covered by car.​

Answer 1

Answer:

ANS:- 12.5 KM

Step-by-step explanation:

let ,Akhil covered the distance by car = x hour

》Akhil covered the distance by walking

= (1-x) hour

accourding to question:-

Distance = time×speed

》30x+ 4.5(1-x) = 15

》30x + 4.5 - 4.5x = 15

》25.5x = 15 - 4.5

》x = 10.5/22.5

Akhil covered the distance by car = 30x

》= 30× 11.5/22.5 =( 12.5 km) ans

☆i hope its help☆