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Increase: 20 by 15% - Mathematics

Sum

Increase: 20 by 15%

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Solution

Increase on 20 at the rate of 15%

`= 20 xx 15/100 = 3`

∴ Increased number = 20 + 3 = 23

Concept: Converting Decimals to Percentage
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APPEARS IN

Selina Concise Mathematics Class 7 ICSE
Chapter 8 Percent and Percentage
Exercise 8 (C) | Q 2.2
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