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One-fifth of a number is 5 less than that number. - Mathematics

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Question

One-fifth of a number is 5 less than that number.

Sum

Solution

Let the number be x.

Then, `1/5`th of the number = `x/5`

Now, `x/5` is 5 less than x

So, the equation formed is `x/5` = x – 5.

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Chapter 4: Simple Equations - Exercise [Page 112]

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NCERT Exemplar Mathematics [English] Class 7
Chapter 4 Simple Equations
Exercise | Q 58. | Page 112

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