SOLUTION: A relief organization supplies blankets, cots, and lanterns to victims of fires, floods, and other natural disasters. One week the organization purchased 15 blankets, 10 cots, and

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Question 1050457: A relief organization supplies blankets, cots, and lanterns to victims of fires, floods, and other natural disasters. One week the organization purchased 15 blankets, 10 cots, and 5 lanterns for a total cost of $1200. The next week, at the same price, the organization purchased 15 blankets, 20 cots, and 5 lanterns for a total cost of $1800. The next week, at the same price, the organization purchased 5 blankets, 30 cots, and 5 lanterns for a total cost of $2150. Find the cost of each item.
Answer by Fombitz(32388)   (Show Source): You can put this solution on YOUR website!
1.
2.
3.
Subtract eq. 3 from eq. 1 and eq. 2,


4.
and


5.
Now subtract eq. 5 from eq. 4,



So then working backwards,


and finally,





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