3 years ago

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

1 answer:

7 0

$ribbon \: b \\ = \frac{1}{3} + \frac{2}{5} \\ = \frac{5}{15} + \frac{6}{15} \\ = \frac{11}{15} yds$
$ribbon \: a + b \\ = \frac{11}{15} + \frac{1}{3} \\ = \frac{11}{15} + \frac{5}{15} \\ = \frac{16}{15} \\ = 1 \frac{1}{15} yds \: in \: total$

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