Question 301730
For which of the following ordered pairs (s, t) is  s + t > 2 and  s – t <  -3 ?

a  (3,2)   b  (2,3)  c (1,8)   d  (1/2, 3/2)   e  (0,3)
answer is C 
1+8>2 because 1+8=9 which is >2 and 1-8<-3 since 1-8=-7