Respuesta :

irspow
A=2(LW+LH+WH)

A=2((7/8)(1/3)+(7/8)(2/5)+(1/3)(2/5))

A=2(7/24+14/40+2/15)

A=14/24+28/40+4/15

A=7/14+7/10+4/15  210

A=(105+147+56)/210

A=308/210

A=(210+98)/210

A=1 98/210

A=1 7/15
To find the volume of a rectangular prism, you need to multiply base x width x height
So..

7       1       2          14                     7
_   x  _   x  _    =    ___ (simplify:)  __

8       3       5         120                   60

The correct answer is 7/60. 

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