BarnabasAunak BarnabasAunak

18-02-2022
Mathematics

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After subtracting 20% of a number we get 12975. What was the number?

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24-02-2022

Answer:

16218.75

Step-by-step explanation:

let the number be x

20% of x = x - 12975

[tex]0.2 \times x = x - 12975[/tex]

[tex]0.2x = x - 12975 \\ x - 0.2x = 12975[/tex]

[tex]0.8x = 12975 \\ x = 12975 \div 0.8 \\ x = 16218.75[/tex]

Therefore the number is 16218.75

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