Mathematics, 02.09.2021 21:50 sierraaasifuent

a man cover the first 40% of the distance between two cities Aand B at 50kmph and the remainig distance at a speed of 75kmph what is the average speed for the entire trip

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a man cover the first 40% of the distance between two cities Aand B at 50kmph and the remainig dista...