The corridor

The corridor is 12 m long and 3.6 m wide. It must be paved with rectangular tiles measuring 15 cm and 30 cm. Are 1000 pieces of tiles enough to pave the corridor?

Correct answer:

x =  960

Step-by-step explanation:

a=12 m b=3.6 m x=15 cm m=15:100  m=960 m y=30 cm m=30:100  m=0.3 m  S1=a b=12 3.6=5216=4351=43.2 m2 S2=x y=960 0.3=2009=0.045 m2  x=S1/S2=43.2/0.045=960  x<1000=>OK



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