Question

if 4/5 meter cloth costs ₹36, find the cost of 2 1/5 metre of cloth? ​

Answer 1

Answer:So , cost of 1 m cloth

= Rs 36×5/4

= Rs 9×5

= Rs 45

Therefore , cost of 21/5 m cloth

= Rs 21/5×45

= Rs 21×9

= Rs 189

Step-by-step explanation:

Answer 2

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$solution \: \\ \\ given \: data \: \: \\ \\ \frac{4}{5} m \: of \: a \: cloth \: is \: ruppees \: 36 \: \\ \\ to \: find \: \: \\ 2 \times \frac{1}{5} of \: the \: same \: cloth \: in \: ruppees \: \\ \\ sol \: \\ \\ let \: x \: be \: the \: cost \: of \: 1meter \: of \: cloth \: \\ \\ then \: \frac{4}{5} \times x \: = \: 36 \: \\ \\ then \: x \: = \: 36 \times \frac{5}{4} \: \\ \\ then \: x \: = \: 9 \times 5 \: \\ \\ x \: = \: ruppees \: 45 \: \\ \\ hence \: the \: cost \: of \: 1 \: meter \: of \: cloth \: is \: ruppe \: 45 \: \\ \\ then \: \\ now \: \: \: let \: the \: cost \: of \: 2 \times \frac{1}{5} \: meter \: of \: the \: cloth \: be \: y \: \\ \\ then \: \\ \\ 2 \times \frac{1}{5} \times 45 \: = \: y \: \\ \\ y \: = \: 2 \: \times \: 1 \: \times \: 9 \: \\ \\ y \: = \: ruppees \: 99 \:$