Question

A PERSON wishes to Reach his
destination 90 km away in 3 hours
but for the half of journey
his speed was 20 km/hr His average
speed for Rest of Journey should be​

Answer 1

Answer:

60km/hour

Step-by-step explanation:

2hours 15mins for 45 hours

in rest 45 mins he has to go 45 kms

45:45: :60:x

45x = 45X60

x = 45X60÷45

x=60

60km/hour