Question

3 1/2m of lace costs RS 42. Find the cost of 5m of lace​

Answer 1

Answer:

₹60

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Step-by-step explanation:

3½m = 7/2 m

This can be obtained by simple unitary method:-

If 7/2 m of lace costs ₹42

Then, 1(full) will cost 42×2/7 = 12

Then, 5 will cost 12 × 5 = ₹60