What is the surface area of the box

A. 78 inches.

Step-by-step explanation:

Surface Area = 2×(3×5 + 3×3 + 5×3) = 78 inches.

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step-by-step explanation:

it will cost dollar $540

the living room is 3 which means if we divide 325/3 then we get $108

therefore if 1part of the living room cost $108 and 3 costed $325

then total 5part of the room will cost 5*108 which gives $540