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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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