Posted by Serina on Sunday, February 10, 2013 at 9:56pm.
a poster is 24 cm taller than it is wide. it if is mounted on a piece of cardboard so that there is a 6cm border on all sides and if the area of the border alone is 720 cm squared, what are the dimensions of the poster

Algebra  George Charles, Tuesday, November 8, 2016 at 4:39pm
your mom
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