questions with decimals

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kevins17:

2.077M3 of air weigths 2.7 pounds. how much weigth has 1m3 of air?

2.077 m3 : 2.7 pounds

      1 m3 : x

x=[(1)(2.7)]/2.077

x=2.7/2.077

x=1.2999 pounds