If each of the numbers x,y and z can each be no greater than 200 , how many of them are negative? Statement 1:x+y+z=400 Statement 2: x+y=280 Which of the statements contains information sufficient to answer the question? Both Statement 1 and Statement 2 are individually sufficient Statement 2 alone is sufficient, while statement 1 alone is not sulficient Statement 1 and Statement 2 are sufficient together, but neither is sufficient alone Noither Statement I nor Statement 2 are sufficient, either together or alone Statement I alone is sufficient, while statement 2 alone is not sutficient