if 5 less than four-fifth of a number is 47,then the number is. explain it

Suppose the number is x.
four-fifth of a number is 4x5.
And 5 less than four-fifth of a number is 4x5-5.
Now according to the question, 5 less than four-fifth of a number is 47. so we have;
4x5-5 = 474x5 = 52x = 52×54 = 65
Therefore the number is 65.

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