The price of sugar increased by 10%. What % of consumption of sugar is to be reduced in order to keep the expenditure on sugar at the same level?

The price of sugar increased by 10%. What % of consumption of sugar is to be reduced in order to keep the expenditure on sugar at the same level? Correct Answer 9.09

10% increase, New price will be Tk.110 if old price is Tk.100 New price will be Tk. 1 if old price is tk 100/110 New price will be Tk.100 if old price is tk = (100×100)/110 = 90.91 100 - 90.91 = 9.09
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