Question

From an iron bar of length (20 – 7y) m, a piece of length (2y – 1) m was cut. Find the length of the remaining iron bar.


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Answer 1

Answer:

remaining length = original length - length of cut piece

=> 20. - 7y - [ 2y - 1 ]

=> 20 - 7y - 2y + 1

=> 21 - 9y m

therefore remaining length = 21 - 9y m

Step-by-step explanation: