Question

A CAR COVER CERTAIN DISTANCE IN 40 MINUTES,AT THE SPEED 54KM/HR
THAN WHAT COVERS AT THE SPEED AT 45 KM/HR

Answer 1

Answer:

46 minutes

Step-by-step explanation:

Answer 2

speed of car = 54 × 5/18 = 15 m/s

= 900 m/minuts

total time = 40 minutes

distance = 40 × 900/1000 = 36 km

now speed is 45 km/hr

required time is

36
---- × 60
45

= 48 minutes...


explain by

ramhari kunale osmanabad
( maharashtra )