We can't tell what size the page is now, because you never told us
what size it was before all the shenanigans started. All you gave us
was a couple of ratios.
And you didn't even tell us WHAT was increased and decreased ...
was it the length of the sides, or was it the area of the page ?
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If it was the length of the sides ...
Let's say the page was 8" high and 4" wide.
Increase lengths by 50% : Now it's 12" high and 6" wide.
Decrease lengths by 50% : Now it's 6" high and 3" wide.
The sides are now 3/4 as long as they started out,
and the area is 9/16 of what it started out.
