ellabevsunshine ellabevsunshine
  • 25-10-2022
  • Mathematics
contestada

A poster is
than
25 cm taller
it is wide. It is
mounted on a piece
of cardboard so
that there is a 5
cm border on all
sides.
If the
area of the border
alone is 1350 cm²,
what are the
dimensions of the
poster

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