AJWILL wrote:what is the range of positive integers 0,3,5,10,17,x and y?
1)x+y=17
2)x-y=3
1. x + y = 17---- sufficient
this means x or y is less than 17 since we are dealing with positive integers
the range = smallest (0) to the largest (17)
2. x-y = 3 -- not sufficent
x can be 25 and y can be 22 or
x can be 10 and y can be 7
