:) The cost price of 11 pencils is equal to the selling price of 10 pencils. Find the gain or loss per cent.

Step-by-step explanation:

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{ Since CP of 15 articles is equal to SP of 12 )

Here , SP > CP. So, He / she made a profit.

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Now , Finding the profit percentage :

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Hope I helped ! ♡

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(0,,,0)

step-by-step explanation:

the table of x and y values is shown in the attached pic(part of question)

we have to decide according that graph

given points are (0, 0) (–1, 0), (2, 0)

when we graph these points on graph they show an increasing line as shown in the attached pic