If x and y are positive integers and x+y<9, how many different values are there for the product xy?

Question

If x and y are positive integers and x+y<9, how many different values are there for the product xy?

Answer 1

try it out...each x and y must be a factor of 9.  but 1(9) is NG because 1+9 exceeds 9.  then try 3(3)...OK because 3+3<9. No other choices!

 

Answer: ONE