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# Tricky maths problem... Help please! watch

1. Simon runs a certain distance at speed u and then walks twice that distance at speed v. If he takes a total time T for the journey, find an expression for the total distance in terms of u, v and T.
2. T = x/u + 2x/v
Rearrange the equation.
3. I got x = (3uvrT)/v+2u after rearranging .... Is that correct?
4. (Original post by RaihaanUsman)
Simon runs a certain distance at speed u and then walks twice that distance at speed v. If he takes a total time T for the journey, find an expression for the total distance in terms of u, v and T.
http://www.thestudentroom.co.uk/forumdisplay.php?f=38
5. orr.... X = (TUV)/(V+2U)
6. (Original post by sahitisiri)
orr.... X = (TUV)/(V+2U)
Is it not 3TUV... I've tried TUV and it doesn't work with any of 3 tests.
7. (Original post by RaihaanUsman)
Is it not 3TUV... I've tried TUV and it doesn't work with any of 3 tests.
That is the correct answer x = 3TUV / (2u+v)

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