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Ribbon A is 1/3 meters long. It is 2/5 meters shorter than ribbon b. What's the total length of 2 ribbons?

User Tparker
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ribbon \: b \\ = (1)/(3) + (2)/(5) \\ = (5)/(15) + (6)/(15) \\ = (11)/(15) yds

ribbon \: a + b \\ = (11)/(15) + (1)/(3) \\ = (11)/(15) + (5)/(15) \\ = (16)/(15) \\ = 1 (1)/(15) yds \: in \: total
User Ivo Leko
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