Question

The weight of 3 boxes is 20kg .the weight of the first box is 6kg 500g and the second box weighs 4kg 75g .find the weight of the third box

Answer 1

the weight of 3 boxes: 20kg.
then,
box 1 + 2 + 3 : 20kg
if, 1: 6.500kg
and 2 :4.075 kg
3 : ?
so,. 6.500+4.075+? : 20 kg
10.575 + ? : 20
box 3 = 20 - 10.575
box 3 =. 9.425 kg
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