SOLUTION: I have 21 dollars I need to buy 3 items spending exactly 21 dollars the 2nd item has to be double what I paid for the first and the 3rd item has to be triple what I paid for the 2

Algebra ->  Coordinate Systems and Linear Equations  -> Linear Equations and Systems Word Problems -> SOLUTION: I have 21 dollars I need to buy 3 items spending exactly 21 dollars the 2nd item has to be double what I paid for the first and the 3rd item has to be triple what I paid for the 2      Log On


   



Question 995289: I have 21 dollars I need to buy 3 items spending exactly 21 dollars
the 2nd item has to be double what I paid for the first and the 3rd item has to be triple what I paid for the 2nd item..what is the cost of the first item.

Answer by macston(5194) About Me  (Show Source):
You can put this solution on YOUR website!
.
x=price of first item.
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x+2x+3(2x)=$21
x+2x+6x=$21
9x=$21
x=$2.33
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ANSWER: The first item should cost $2.33