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x=2, y=36, so x can't be less than 2
x=3, y =14, so it works
2=4, y=-8, but both x and y should be positive, so x must be less than 4.
So y can only be 14.

Hmm. I always apply the rule "be careful when Vivek posts something"

80 = 22*x+y
or y = 80 - 22*x

1) x=3. Straight SUFF.
2) y < 22

=> 80 -22*x < 22
=> -22*x < 22-80
=> -22*x < -58

Reversing the inequality and changing the sign gives
or x > 58/22
x > 2.xx
Since x is a +ve integer,
x = 3,4,.....

For x =3
y = 14

For x = 4, y becomes -8, which contradicts that y is a +ve integer

Hence the only vales of x and y are x =3 and y =14. SUFF!

Hence D. _________________

"To dream anything that you want to dream, that is the beauty of the human mind. To do anything that you want to do, that is the strength of the human will. To trust yourself, to test your limits, that is the courage to succeed."

- Bernard Edmonds

Last edited by giddi77 on 30 Jan 2006, 23:59, edited 1 time in total.

Girish, I need to be careful of my postings now , I'm made mistake in this!

I can draw an inference from your statement. If you think of every question to be your future posting, you will be automatically careful

But definitely it is better than making mistakes on the real test! _________________

"To dream anything that you want to dream, that is the beauty of the human mind. To do anything that you want to do, that is the strength of the human will. To trust yourself, to test your limits, that is the courage to succeed."

shouldn't it be 22*x+y =80 y= 80 - 22*x how u got 80 = 3*x+y

Oops. I solved it on paper and then typed it incorrectly. I have edited my post. _________________

"To dream anything that you want to dream, that is the beauty of the human mind. To do anything that you want to do, that is the strength of the human will. To trust yourself, to test your limits, that is the courage to succeed."