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Fridrik
Fridrik asked in Science & MathematicsMathematics · 1 decade ago

How do I add already subtracted % to a number?

I have this example:

7850 and 40% has already been subtracted. I need to backtrack and add it back to the number. How do I do that?

Update:

Alright, got it thanks! :)

2 Answers

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  • ?
    1 decade ago
    Favorite Answer

    If 40% was already subtracted, then that means that 7850 was 60% of the original number. You can figure out what number 7850 is 60% of by dividing 7850/60%, which gives you the original number.

  • Stam
    1 decade ago

    if you first have x then

    x-0,4*x=7850

    x=13083,33

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