Question

A packet of book weighs 12kg800g.Another packet weighs 4times as much as the first one.They are both packed in a cardboard box.find the weight of the box.​

Answer 1

Answer:

weight of the book (packet)= 12 kg and 800 grams =12,800 grams

another packet of book= 4 x 12 kg and 800 g

=> 4 x 12,800 grams

=> 51,200 grams = 51 kg and 200 grams

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Answer 2

The weight of the box would be 64 kg

Step-by-step explanation:

Given,

Weight of first packet = 12kg 800g = 12000 g + 800 g = 12800 g,

( ∵ 1 kg = 1000 g )

Now, another packet weighs 4 times as much as the first one,

So, weight of second packet = 4 × 12800 = 51200 g,

Now, total weight = weight of first packet + weight of second packet

= 12800 + 51200

= 64000 g

$=\frac{64000}{1000}$ kg  ( ∵ 1 g = 1/1000 kg )

= 64 kg

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