Question

The cost of 3 7/9m cloth is rs 212 4/5.find the cost of
7 2/3m cloth.

Answer 1

`\sf Rs. \ 431(73)/(85) \quad or \quad Rs. \ 431.86`

Find the unit rate:

`\rightarrow \sf 3(7)/(9) m = Rs. \ 212(4)/(5)`

`\rightarrow \sf 1 m = Rs. \ (212(4)/(5))/(3(7)/(9) )`

`\rightarrow \sf 1 m = Rs. \ (4788)/(85) \quad or \quad Rs. \ 56(28)/(85)`

Then find the cost of 7 2/3m cloth:

`\rightarrow \sf 7(2)/(3) \ m = Rs. \ (4788)/(85) \ * \ 7(2)/(3)`

`\rightarrow \sf 7(2)/(3) \ m = Rs. \ (36708)/(85)`

`\rightarrow \sf 7 (2)/(3) \ m = Rs. \ 431(73)/(85) \quad or \quad Rs. \ 431.86`