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# The price of the storybook increased from $20 \ to \ $30 of its cost. Find the percentage rise in the price of the storybook.

**Given:** The Price Of The Storybook increased From Rs 20 To Rs30

**To find:** The percentage increase in price of the story book

**
Solution:**

Initial price = $20; Final price = $30

Increase in price = $30 - $20 = $10

Percent increase in price = $\frac{Increase in price}{Initial price}$

= $\frac{10}{20} \times 100$ = 50%

**Therefore, the % increase is 50%**

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