First boxes weight = 18.2/3kg , second boxes weight = 16.1/2 kg , Third boxes weight= 17.3/4 kg , The porter carry all three boxes = 56/3 + 33/2 + 71/4 kg , 2,3 and 4 LCM = 12 , 224 + 198 + 213/12 = 635/12 kgram , Total mass carried = 52.11/12 kilogram answer
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First boxes weight = 18.2/3kg , second boxes weight = 16.1/2 kg , Third boxes weight= 17.3/4 kg , The porter carry all three boxes = 56/3 + 33/2 + 71/4 kg , 2,3 and 4 LCM = 12 , 224 + 198 + 213/12 = 635/12 kgram , Total mass carried = 52.11/12 kilogram answer
100% correct!.....💪