A book store offers a 10 % discount on all the books sold plus an additional discount of 5% on the total bill if the total bill after the initial discount is more than or equal to Rs. 1000. Dilshan bought 3 books worth Rs. 450, Rs. 520 and Rs. 250 respectively. How much money was Dilshan able to save as a result of the various discounts offered by the store?

We have given that

Cost of three books are given below:

Rs. 450, Rs. 520, and Rs. 250

Discount rate on all the books sold = 5%

Total amount would be 450 +520 + 250 = 1220

Amount of discount on it is given by 10/100 x 1220 = 122

So, Amount after discount is given by 1220-122 = 1098

If the total bill after the initial discount is more than or equal to Rs. 1000 then, there will be additional discount of 5% on total bill.

5/100 x 1098 = 54.90

So, Amount after discount would be 1098 – 54.90 = 1043.10

Hence, total amount Dilshan was able to save is given by 1220 – 1043.10 = Rs. 176.90

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