Question

A piece of cloth ( length unknown) costs Rs. 35. If the piece was 4m longer, each metre costs Re 1 less. What is the unknown length of the cloth?

Answer 1

Answer:

10 m.

Step-by-step explanation:

Let the length of the cloth be x.

So, Cost of one metre cloth = 35/x.

Now, New Length becomes x+4.

So, Cost of 1 metre = 35/(x+4)

So, the equation becomes:

        35/x  -   35/(x+4) = 1  ==> x = 10m

Answer 2

Answer:

Step-by-step explanation: