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Decrease: 80 by 20% - Mathematics

Sum

Decrease: 80 by 20%

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Solution

Decrease on 80 by 20% =`80 xx 20/100 = 16`

∴ Decreased number = 80 - 16 = 64

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 3.1
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