luhhg065 luhhg065
  • 18-04-2017
  • Mathematics
contestada

A photograph has a width of 8 cm and a length of 3x cm.

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maxk04
maxk04 maxk04
  • 18-04-2017
w*l=A

w=8
l=3x
8*3x= A

That would be the equation 
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