Question

When 80 is subtracted from 80% of a number the result is 80 find the number?

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Answer 1

Answer:

The final answer is 200.

Step-by-step explanation:

Given,

Let x be the number given in the question.

x gives a result of 80 when 80% x of x is subtracted with 80.

x * 80 / 100 - 80 = 80

We need to find the value of x.

x * 80 / 100 = 80 + 80

x * 80 / 100 = 160

x / 100 = 160 / 80

x / 100 = 2

x = 100 * 2 = 200

The values of x is 200.

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Answer 2

Answer:

The value of the required number will be = 200

Step-by-step explanation:

As per the data given in the question,

We have to calculate the value of the unknown number.

As per the question,

It is given that,

When 80 is subtracted from 80% of a number the result is 80.

Let us assume that the number is 100x

So, calculating 80% of the number.

As we know,

When we convert the percentage value in fraction, then we need to divide it by 100.

So, 80% of 100x will be equal to $\frac{80}{100}* 100x= 80x$

Now, when we subtract 80 from 80x it will become equal to 80x-80

So, from the condition given in the question,

We can conclude that,

80x-80=80

Now further solving,

We can write it as; 80x = 80+80 = 160

So, the value of x will be (160/80) = 2

Hence, the value of the required number will be = 100x = 200

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