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2 January, 20:51

What is 80% of 30,863

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  1. 2 January, 21:14
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    1. We assume, that the number 30863 is 100% - because it's the output value of the task.

    2. We assume, that x is the value we are looking for.

    3. If 30863 is 100%, so we can write it down as 30863=100%.

    4. We know, that x is 80% of the output value, so we can write it down as x=80%.

    5. Now we have two simple equations:

    1) 30863=100%

    2) x=80%

    where left sides of both of them have the same units, and both right sides have the same units, so we can do something like that:

    30863/x=100%/80%

    6. Now we just have to solve the simple equation, and we will get the solution we are looking for.

    7. Solution for what is 80% of 30863

    30863/x=100/80

    (30863/x) * x = (100/80) * x - we multiply both sides of the equation by x

    30863=1.25*x - we divide both sides of the equation by (1.25) to get x

    30863/1.25=x

    24690.4=x

    x=24690.4

    now we have:

    80% of 30863=24690.4
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