A relief organization supplies blankets, cots, and lanterns to victims of fires, floods, and other natural disasters. One week the organization purchased 25 blankets, 10 cots, and 5 lanterns for a total cost of $1275. The next week, at the same price, the organization purchased 5 blankets, 20 cots, and 5 lanterns for a total cost of $1425. The next week, at the same price, the
organization purchased 5 blankets, 30 cots, and 5 lanterns for a total cost of $1975. Find the cost of each item.