shyannemckenziee shyannemckenziee

23-02-2016
Mathematics

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Find the length of a postcard whose width is 4 inches and whose proportions are the same as a poster that is 24 inches wide by 36 inches long

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apologiabiology apologiabiology

23-02-2016

so legnth to width=legnth:width=legnth/widdth

legth:4=36:24
legnt/4=36/24
legnth/4=3/2
mutiply both sides by 4
legnth=12/2
legnth=6

answer is elgnth=6 inches

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