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Answer

(a)
(3/4) / (1/10) = 30/4 = 7R2 or 7 1/2

(b)
(2/4) x (1/10) = 1/20 or (1/2) x (1/10) = 1/20

Ans : (a) 7 pieces (b) 1/20 m.

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a) 3/4 metre divide by 1/10 metre = 7.5 pieces.

Therefore, she will have 7 pieces of 1/10 metre of rope at most.

 

b) 7 times 1/10 = 7/10 metre
3/4 – 7/10 = 1/20 metre

She left with 1/20 metre.

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