The floor

The floor in the gym has dimensions of 6 * 12m Parquets have a size of 30 * 20cm. Parquets are packed in packages of 50 pieces and one parquet package costs 150 CZK. How many packages will we need? How much will it cost?

Correct answer:

n =  24
c =  3600 Kc

Step-by-step explanation:

a=6 m b=12 m  x=30 cm m=30:100  m=0.3 m y=20 cm m=20:100  m=0.2 m p=50  S1=a b=6 12=72 m2 S2=p x y=50 0.3 0.2=3 m2  n=S1/S2=72/3=24
c=150 n=150 24=3600 Kc

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