Math, asked by hridaymazumder8306, 1 year ago

If cost of 20 books Rs.240, then find the cost of 12 books

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Answered by ajaymath

3

Cost of 20 books = Rs.240
Cost of 1 book = Rs.240/20
Cost of 1 book = Rs.12
Cost of 12 book = Rs.12 × 12
Cost of 12 book = Rs.144

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