The average price of 3 books is rupees 18. the price of one of the book could be ..............a)55. b)56. c)52. d)57.
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Step-by-step explanation:
Average price of three books = 18/-
let books be 'x'
Avg = x / 3
given average = 18
18 = x / 3
x = 18 × 3
x = 54
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