tonjaiwhite516
tonjaiwhite516 tonjaiwhite516
  • 07-12-2016
  • Mathematics
contestada

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

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MrQuizzical
MrQuizzical MrQuizzical
  • 12-12-2016
The expression would be written as:

[tex] \frac{2}{5} [/tex]n-3

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

[tex] \frac{2}{5} [/tex](25)-3
=10-3
=7
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