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OpenStudy (anonymous):
A rectangular picture has dimensions 2½ by 1½. It is to be enlarged so that it is still similar to the original rectangle. If the longer dimension is now 10, how much longer than the original is the perimeter now?
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OpenStudy (bibby):
Which dimension is the longer one?spoiler alert 2.5 > 1.5 |dw:1388617224088:dw|
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