Colour - billboard

Shelftalker has the shape of a parallelogram. Its length is 4.9 m and the corresponding height is 3.5 meters. Calculate how much (kg) paint must purchase to redecoration if 1 kg cover 4 m² of shelftalker surface.

Correct result:

x =  4.29 kg

Solution:

$x=4.9\cdot 3.5\mathrm{/}4={\displaystyle \frac{343}{80}}\text{ kg}=4.29\text{ kg}$

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