SOLUTION: 2 students have 280$altogether.If the first one has 2/5 of the sum of the second one What is the sum of money of each student . PLEASE HELPPPPP!!!!

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Question 128985: 2 students have 280$altogether.If the first one has 2/5 of the sum of the second one What is the sum of money of each student . PLEASE HELPPPPP!!!!
Answer by checkley71(8403) About Me  (Show Source):
You can put this solution on YOUR website!
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.