SOLUTION: Two vehicles travelled (x + 4) kilometers. The first vehicle travelled for (x^2 – 16) hours while the second travelled for (2/x-4). Find the speed.

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Question 1044860: Two vehicles travelled (x + 4) kilometers. The first vehicle travelled for (x^2 – 16) hours while the second travelled for (2/x-4). Find the speed.
Found 2 solutions by ikleyn, MathTherapy:
Answer by ikleyn(52776) About Me  (Show Source):
You can put this solution on YOUR website!
.
Two vehicles highlight%28cross%28travelled%29%29 traveled (x + 4) kilometers. The first vehicle traveled for (x^2 – 16) hours
while the second traveled for (2/x-4). Find the speed.
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Do you know this formula:  Speed = Distanse%2FTime ?


Apply it twice.


For the first  body: speed = %28x%2B4%29%2F%28x%5E2-16%29 = 1%2F%28x-4%29 km%2Fh.

For the second body: speed = %28x%2B4%29%2F%28%282%2F%28x-4%29%29%29 = %28x%5E2-16%29%2F2 km%2Fh.


Answer by MathTherapy(10551) About Me  (Show Source):
You can put this solution on YOUR website!

Two vehicles travelled (x + 4) kilometers. The first vehicle travelled for (x^2 – 16) hours while the second travelled for (2/x-4). Find the speed.
Speed of 1st vehicle: highlight_green%28matrix%281%2C2%2C+1%2F%28x+-+4%29%2C+%22km%2Fh%22%29%29
Speed of 2nd vehicle: highlight_green%28matrix%281%2C2%2C+%28x%5E2+-+16%29%2F2%2C+%22km%2Fh%22%29%29