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1) 1 + n=5/4grandh01 wrote:If n is a positive number, what is the
value of n ?
1) 1 + n=5/4
2) n^2=1/16
OA is D
Can someone explain why B is sufficent?
grandh01 wrote:If n is a positive number, what is the
value of n ?
1) 1 + n=5/4
2) n^2=1/16
OA is D
Can someone explain why B is sufficent?[/quote
In both statements you have a single variable which can be solved for n, so they are both sufficient.
Your questions is why is statement 2 sufficient.
Statement 2: n^2=1/16
The key to not is in the questions stem it says that n is a positive number. That means that n cannot be negative. Normally dealing with squares can be tricky because they can both be positive and negative. However, in this question it must be positive.
You can solve for n.
n^2=1/16 means that
n=1/4
Remember:
(1/4)^2 = 1^2/4^2 = 1/16
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