Question

From a rope 20m long, Ram cut off 3 pieces of 2 2/3 m(mixed fraction) each and Krish cut off 2 pieces of 4 ½ m (mixed fraction) each. What length of the rope is left?

Answer 1

Answer:

$part \: of \: rope \: cut \: by \: ram \\ = 2 \frac{2}{3} \times 3 \\ = \frac{8}{3} \times 3 \\ = 8m \\ part \: of \: rope \: cut \: by \: krish \\ = 4 \frac{1}{2} \times 2 \\ = \frac{9}{2} \times 2 \\ = 9m$

length of rope used = 9m + 8m = 17m

$total \: length \: of \: rope = 20m \\ length \: of \: rope \: left \\ = 20m - 17m \\ = 3m$

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