IF I travel (4+x) miles per hour for 2 hour and I travel the same distance at (4-x) miles per hour in 3 hours, what is x?

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alvarademely99 alvarademely99

22-11-2017
Mathematics

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IF I travel (4+x) miles per hour for 2 hour and I travel the same distance at (4-x) miles per hour in 3 hours, what is x?

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Plasmataco Plasmataco · Answer 1 · 2017-11-22T23:16:18+01:00

Plasmataco Plasmataco

22-11-2017

So this is saying that the two distances travelled are the same.
Now... Distance = Speed * Time
Thus (4+x)*2=(4-x)*3
So 8+2x=12-3x
Thus, 5x=4
so x=0.8

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