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Luden [163]
2 years ago
11

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

Mathematics
1 answer:
djyliett [7]2 years ago
7 0
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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