The carpet

How many meters of carpet 90 cm wide need to cover floor room which has a rectangular shape with a lengths 4.8 m and 2.4 m if the number of pieces on the carpet is needed to be lowest?

Result

x =  14.4 m

Solution:

4.8/0.9=5.3336 2.4/0.9=2.66663  n=34.8=14.4 m4.8/0.9 = 5.333 \doteq 6 \ \\ 2.4/0.9 = 2.6666 \doteq 3 \ \\ \ \\ n = 3 \cdot 4.8 = 14.4 \ \text{m}



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