Ernesto is a large adult unicorn who has traveled 50 kilometers on his first trip to Salsazaria, while on another trip he has traveled 300 kilometers, running three times faster than his first flight, so how much is the ratio between the time he took on his new trip to the time Who took him on his first trip?
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Ernesto, the magnificent unicorn stallion, covered a distance of 50 kilometres on his first trip to Zalsazaria. On a later trip, he travelled 300 kilometres while going three times as fast. What was his new time compared with the old time?
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Orlando Del Carmen, DPO, C|EH, Info Security, Developer, Manager
Answered March 22
On Ernesto's first trip to Zalsazaria, the time it took him = 50km/old speed (old time)
Let's call this old time as OT
old speed, OS = 50km/OT
On his later trip,
new time = 300/(3)(OS)
new time = 100/OS
new time = 100/(50km/OT)
If old time = 1 (i.e., 1 min, 1 hour, 1 day, etc)
new time = 2*OT (i.e., 2 mins, 2 hours, 2 days, etc)
Ernesto's time (new time) to cover 300km is twice the time (old time) it took him to travel the 50km distance.
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Answer:
Explanation:
Let speed of the 1st trip x miles / hr. and speed of the 2nd trip 3x / hr.
We know that
Speed = Distance/Time.
Or, Time = Distance/Speed.
So, times taken to covered a distance of 50 miles on his first trip = 50/x hr.
And times taken to covered a distance of 300 miles on his later trip = 300/3x hr.
= 100/x hr.