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Message: <blockquote data-quote="Stever1" data-source="post: 2036732" data-attributes="member: 400898"><p>40km =  24m</p><p>------- x -------</p><p> Xkm  =  60m </p><p>we cross multiply 40x 60 then divide by 24</p><p>=============</p><p>100 kmh +/- 5 kmh</p><p>24 min = +/- 1.2 min</p><p>so...</p><p></p><p>105 kmh @ 25.2 plus</p><p>      95 kmh @ 25.2</p><p>     105 kmh @ 23.8</p><p>       95 kmh @ 23.8</p><p>================</p><p>     400 kmh @ 98</p><p></p><p>divide by 4 and you have</p><p>================</p><p>     100 kmh   (@ 24.5 min)</p></blockquote><p></p>

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