A box full of packets of biscuits each weighing 200 g weighs 12 1/2 kg.The empty box weighs 2 kg 500 g. calculate the number of packets of biscuits in the box.

1 answer

Weight of all packets
= 12.5 kg - 2.5 kg = 10 kg = 10000g
each packet weight 200 g
number of packets = 10000/200 = 50