Respuesta :

Area of the walls = 2*8*21 + 2*8*28 =  784 sq feet

so number of gallons required = 784/350 = 2.24 gallons answer
Serpentiel
[tex]S = 28 \cdot 21 \cdot 8 = 4704 \ ft^{2}. \newline
n = \frac{4704}{350} = 14.[/tex]

You would need to buy 14 gallons of paint.

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