The expression that has a value of 16 when n = 5 is [tex]\rm 7+ \dfrac{45}{n}[/tex] , Option C is the correct answer.
An expression is mathematical statement consisting of variables , constant and mathematical operators.
The expression given in the question is
[tex]\rm \dfrac{ 25}{n} + 7 \\\\30-3n\\\\7+\dfrac{45}{n}\\\\n^3 -114[/tex]
On solving it can be seen that
The value of 16 when n= 5 is given by
7 +45/5 = 7+9 = 16
Therefore Option C is the right answer.
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