Mr. Liška

Mr. Liška decided to replace the floors in some rooms of his flat.
a) The kitchen is a rectangle with sides 180 cm and 420 cm. How many square tiles with a side of 20 cm long will he need?
b) How many packages of tiles must he buy, if in one package there are 2 m square of tiles?
c) Mrs. Liška likes larger tiles, squares with a side of 40 cm. How many such tiles are needed for the floor in the kitchen?

Final Answer:

a =  189
b =  4
c =  47

Step-by-step explanation:

S=180 420=75600 cm2 a=S/202=75600/202=189
b=S/20000=75600/20000=4
c=S/402=75600/402=47



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planimetryUnits of physical quantitiesGrade of the word problem

 
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