Tiles

Hall has dimensions 325 &time; 170 dm. What is the largest size of square tiles that can be entire hall tiled and how many we need them?

Correct result:

a =  50 cm
b =  50 cm
n =  2210

Solution:

GCD(325,170)=5 dm a=50 cm
b=a=50 cm
n=325170/52=2210



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