A person travel a total distance of 360 km.he cover the first half at a speed of 75 km/h and the other half at 45 km/h.find the to

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1. [tex]\huge\bold\red{Hello:-}[/tex]

   [tex]averge \: speed = \frac{total \: distance}{time} [/tex]

   [tex] \frac{s1 + s2}{t1 + t2} [/tex]

   [tex] = > \frac{x + x}{ \frac{x}{36} + \frac{x}{54} } [/tex]

   [tex] = > \frac{2x}{ x\frac{1}{36} + \frac{1}{54} } [/tex]

   [tex] = \frac{216}{5} [/tex]

   [tex] = 43.2 \: \frac{km}{s} [/tex]

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