I know I can solve this by unitary method but when I was mulpying 126 *9 =1134kg but how can it possible that 72 packets weight is 8 kg and 126 packets weight is 1134kg
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you do that sum wrong way.
72 packets are of 8 kg
means 1 packet has weight 8/72 =1/9
so you should multiply it with 126 =126/9 = 14 but you find that in one kg how many packets, so you do wrong but this is helpful for next part.
I hope that you can do sum now.
for any doubt comment me immediately.
72 packets are of 8 kg
means 1 packet has weight 8/72 =1/9
so you should multiply it with 126 =126/9 = 14 but you find that in one kg how many packets, so you do wrong but this is helpful for next part.
I hope that you can do sum now.
for any doubt comment me immediately.
Tushakar:
I hope you understand
what was your mistakes
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