Question

a car completed a journey in 7 hours. one third of the journey was performer at 20 km/hr and the rest at 30 km/hr. find the total length of the journey

Answer 1

2.3hours he travel at 20km/hr
so distance covered = 2.3*20=46 km
rest 4.7 hours he travel at 30km/hr
so distance covered =4.7*30=141km
so total distance =46+141=187km

Answer 2

check the image for solution.Hope ththis hhelps.Plese mark brainliest