How many tiles of 20 cm and 30 cm can build a square if we have a maximum of 100 tiles?

Correct answer:

n =  96

Step-by-step explanation:

20=225 30=235 LCM(20,30)=2235=60  x=LCM(20,30)=60 n1=x/20=60/20=3 n2=x/30=60/30=2 n3=n1 n2=3 2=6 n4=100/n3=100/6=350=163216.6667 16=42 n=16 n3=16 6=96

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