Question

A piece of copper wire costs Rs.240.Ifit was 4m longer and price of each meter of copper wire costs Rs.3 less,the total cost of the piece would remain unchanged.Find the length of the copper wire.(I do not want any irrelevant answer).​

Answer 1

Answer:

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Cost of 4 meter wire = Rs.240so, price of each metercosts =Rs 3 lesstherefore, the lengthof the wire = 240/3*4 = 80*4 = 320

Step-by-step explanation:

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Answer 2

let the length of copper wire be X metres.

cost of wire per metre=240/X rs

If the lenght is X+4 m

cost of wire per metre 240/X+4