Question

kiran brought 12 bags of ready food each weight 45g 300mg fing tha total weight

Answer 1

Here is your answer
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12 bags = 45g 300mg

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45 × 1000 = 45000 mg

45000 mg + 300 mg

=> 45300

=> 45300 × 12

=> 543600 / 1000000

=> 0.536

Answer 2

45 g +300mg

= 45×1000 mg + 300 mg

= 45000 mg + 300 mg

= 45300 mg

so each bag have 45300 mg 12 bags
12 × 45300

= 543600 mg

= 543600/1000000

= 0.5436 kg