For these types of questions you normally do the new amount - original amount / the original. So 1075-620/620 which gives you 73.39%.
The answer is 11/16 or 0.6875
Each will get 400 if you divide 1200 by 3
Answer:
This is like quadratic equation you just say y=1x+-2 and then you get the answer
Okay, what do we know?
1*6=6, right?
Well, then 9*6=? (you should know your math facts by now)