Question

You weigh a gallon of 2% milk in science class and learned that it is approximately 8.4 pounds your past him up to the next group and then realize that your teacher wanted an answer in kilograms.

Answer 1

3.81018 kilograms is the answer

Answer 2

1kg=2.2lbs
x kg=8.4lbs

  1kg      x kg
_____=_____
2.2lbs   8.4lbs

Cross multiply
2.2x=8.4
divide both sides by 2.2
x=3.82kg

8.4 pounds=3.82kg

Answer=3.82kg