# The price of an item yesterday was $80. Today, the price rose to $172. How do you find the percentage increase?

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To find the percentage increase:

- Calculate the difference between the new price and the old price: $172 -$80 = $92.
- Divide the difference by the old price: $92 /$80 = 1.15.
- Multiply the result by 100 to get the percentage increase: 1.15 * 100 = 115%.

The percentage increase is 115%.

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To find the percentage increase, you first calculate the difference between the new price and the old price. Then, divide that difference by the old price and multiply by 100 to get the percentage increase.

Percentage Increase = [(New Price - Old Price) / Old Price] * 100

In this case: New Price = $172 Old Price =$80

Percentage Increase = [($172 -$80) / $80] * 100 Percentage Increase = [(172 - 80) / 80] * 100 Percentage Increase = (92 / 80) * 100 Percentage Increase ≈ 1.15 * 100 Percentage Increase ≈ 115%

So, the percentage increase in price from yesterday to today is approximately 115%.

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When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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