1.

Kirti went shopping and spent 540 onbuying six books and two CDs. Each CDcosts 45. What is the cost of one book?

Answer»

Let the cost of books be x.No. of books = 6No. of CDs = 2Rate of CDs = Rs. 45 eachTherefore, cost of CDs = 45*2= Rs. 90Cost of books + Cost of CDs = Total amountx + 90 = 540x = 540 - 90x = Rs. 450

Therefore, cost of one book = 450/6= Rs. 75

Cost of one book is Rs. 75



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