# Leveling

Calculate how many 25 kg bags of leveling concrete must be purchased if we leveling room 15 m2 to the "height" 6 mm if consumtion is 1.5 kg per square meter and millimeter thickness.

Correct result:

n =  6

#### Solution:

$n=\frac{6\cdot 1.5\cdot 15}{25}=6$

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