Question 128985
X+Y=280
X=2Y/5
(2Y/5)+Y=280
(2Y+5Y)/5=280
7Y=5*280
7Y=1400
Y=1400/7
Y=$200 FOR THE STUDENT WITH THE MOST MONEY. 
X=2*200/5=400/5=$80 FOR THE STUDENT WITH THE SMALLER AMOUNT.