Can someone please help me, this is confusing.?

It takes 1 hour longer to fly to St. Paul at 200 mph than it does to return at 250 mph. How far away is St. Paul?

Top 1 Answers

A few days ago

mitzy

Favorite Answer

if you use the identity that distance = speed x time you get two equations:

simpler one is:

d = 250t

other you add the one hour to t because its ‘one hour longer’ so same time as when your going at 250mph plus 1

d = 200(1 +t)

the distance is same so equate both equations:

250t = 200(1+t)

t = 4

Putting t back into the first equations d = 1000miles

Hope it makes sense

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