Flower bed

The park has a rectangular flower bed with dimensions of 3.2m and 1.5m. How many rose bushes will we plant in the flower bed if 20 dm2 are needed for one bush?

Correct result:

n =  24


a=3.2 m b=1.5 m  S1=20 dm2 m2=20/100  m2=0.2 m2 S=a b=3.2 1.5=245=4.8 m2  n=S/S1=4.8/0.2=24

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