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A cardboard storage carton has a length of 3 feet, a width of 2 feet, and a volume of 12ft cubed. What is the minimum amount of cardboard needed to make the box?

Respuesta :

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v=lwh
v=12
l=3
w=2
h=h
12=3*2*h
12=6*h
divide both sides by 6
2=h

surface aera=2(LW+LH+WH)
L=3
w=2
h=2

SA=2(3*2+3*2+2*2)
SA=2(6+6+4)
SA=2(16)
SA=32

Minimum is 32 ft²

Hope this helps :)

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