The price of a book increases by 25%.if the new price is RS100 more than the old price, find the old price and the new price.
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The old price is 400 and the new price is 500
sarthak50:
please give me the process of finding this answer
increase in percent =25% increase in rs =100 so 25%=100 the cost price is 100% and the selling price is 125% so 25%=100 then 100%=400 and 125%=500
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