John took 60 minutes to cycle 25 kilometres after which he increased his average speed
by 5 km/h. How long will it take him to cover the next 25 kilometres if he maintains
the new average speed?
Answers
Answer:
30 km/h is the new average soeed
Step-by-step explanation:
John took 60 minutes to cycle 25 kilometres after which he increased his average speed
John took 60 minutes to cycle 25 kilometres after which he increased his average speedby 5 km/h. How long will it take him to cover the next 25 kilometres if he maintains the new average speed?
\huge\blue{solution}solution
Given:·
Time taken to cover a distance of 25 km = 60 min = 1 hour
Increase in speed = 5 km/h
______________________________________
To Find:·
Time taken to cover next 25 km 's
______________________________________
Concept:·
Speed = distance/time
Increased speed = x + 5 km/h
______________________________________
Calculation:·
Speed of John in his journey with cycle
Speed = Distance/time
[distance = 25km,time = 1 hour]
= (25/1)km/h
=25km/h______________________________________
Increased speed = x + 5 km/h
= (25 + 5)km/h
30km/h
______________________________________
Distance to be covered = 25km/h
Speed = 30 km/h
time = distance/speed
30/25
6/5
1.2 hour .
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