Question

1 kg = 2.2lb

6.3lb = ___kg
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Answer 1

`(1kg)/(xkg)=(2.2lb)/(6.3lb)\ \ \ \ |cross\ multiply\\\\2.2x=1\cdot6.3\\\\2.2x=6.3\ \ \ |divide\ both\ sides\ by\ 2.2\\\\x=(6.3)/(2.2)\\\\x=(63)/(22)\\\\\boxed{6.3lb=2(19)/(22)kg\approx2.86kg}`