Natural fertilizer

The rectangular garden measuring 120m and 60m was fertilized with 16kg of natural fertilizer. Natural fertilizer contains 45% organic matter. How much organic matter falls on 1 m2 of garden?

Correct result:

x =  1 g


a=120 m b=60 m m=16 kg q=45%=45100=0.45  S=a b=120 60=7200 m2 m2=q m=0.45 16=365=7.2 kg m3=m2 g=m2 1000  g=7.2 1000  g=7200 g  x=m3/S=7200/7200=1 g

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