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7 kilograms of sugar was available for ₹84 last year. If this year 9 kilograms of sugar is available for ₹135, what is the percentage increase in the price of sugar?

Answer :

Final answer:

The percentage increase in the price of sugar is calculated by finding the difference in price per kilogram between the two years and then dividing the difference by the initial price. The price has increased from ₹12 per kilogram to ₹15 per kilogram, which is a 25% increase.

Explanation:

To calculate the percentage increase in the price of sugar, we first need to determine the price per kilogram for each year.

Last year, 7 kilograms of sugar cost ₹84, so the price per kilogram would be ₹84/7 = ₹12 per kilogram.

This year, 9 kilograms of sugar cost ₹135, which gives us a price per kilogram of ₹135/9 = ₹15 per kilogram.

Now, let's calculate the percentage increase in the price.

The difference in price per kilogram between the years is ₹15 - ₹12 = ₹3.

To find the percentage increase, we divide the difference by the initial price and multiply by 100, which gives us (₹3/₹12) * 100 = 25%. So, the price of sugar has increased by 25%.

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