Masons

One mason casts 30.8 meters square in 8 hours. How long casts four masons 178 meters square?

Correct answer:

x =  11.6 h

Step-by-step explanation:

S1=30.8 m2 h=S1/(8 1)=30.8/(8 1)=2077=3.85 m2/h S2=178 m2  x=S2/(4 h)=178/(4 3.85)=11.6 h



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