Two-fifths of a number is decreased by three.find the value of the expression if the number is twenty five

answered by Guest

The expression would be written as:

 frac{2}{5} n-3

N is any number. This expression means two-fifths of a number, subtract three. Now substitute 25 for n.

 frac{2}{5} (25)-3
=10-3
=7

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