If wx = y, What is the value of xy?
(1) ... WX^2 = 16
(2) ... Y = 4
Thanks for your support!
Jorge.
(1) ... WX^2 = 16
(2) ... Y = 4
Thanks for your support!
Jorge.
First, statement (1):jcovarrubiasu wrote:If wx = y, What is the value of xy?
(1) ... WX^2 = 16
(2) ... Y = 4
Thanks for your support!
Jorge.
y=w*x, so y*x=w*x*x=wx^2
Statement (1) is sufficient. We know that xy=wx^2=16
Now, statement (2):
y=4
We don't know what x equals, so statement (2) is NOT sufficient.
Answer is A.
