Question

a man sells 12 articles for ruppes 80 gaining 100/3%. Find the number of articles bought by the man for rupees 90​

Answer 1

Answer:

HEY THERE

HERE'S UR ANSWER

let c.p = x

s.p = x+1/3

100 /3 can be written as 1/3 x

x / 3 + x = 80

4/ 3 + x = 80

We get x = 60

cost of 12 articles = 60

So cost of one article = 5

The price of every article is same so we can get 18 articles for 90 rupees

since 90/18=5

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