Question

find the cost of 4 2/5meter of lace at the rate of rs 15 per meter?

Answer 1

cost of 4 2/5 metre is 15* 22/5 = rupees 66
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22/5 came as 4 2/5 = (4*5+2)/5 = 22/5

Answer 2

Rate for 1 meter=₹15
So,
Cost of 4 2/5=
$4 \frac{2}{5} = \frac{22}{5} \times 15 = 66$
Hence,cost of4 2/5=₹66