x = 1u  y = 5u  6u = 300  1u = 50  So, x=50, y=250  Difference 250-50=200 
SASMO 2015 P2 Q3  The sum of two numbers is 300. One number is 5 times of the other number. What is the difference between the two numbers? 

  * $$50$$ 
  * $$60$$ 
  * $$180$$ 
  * $$200$$ 
  * None of the above 