how many pieces of length 3 1/2 m can be from a wire 18 m ?
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Step-by-step explanation:
pieces of length — 3 1/2
So, for 1 piece required length is 3 1/2
for 18 m wire
= 3 1/2 × 18
= 7 /2 × 18
= 7×9
= 63
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