The student council sold two types of ice cream, sundaes and cones, during homecoming week. Each sundaes cost the same amount, and each cones cost the same amount.

One the first day they earned $210 for selling 125 cones and 10 sundaes

One the second day they earned $256 for selling 100 cones and 30 sundaes.

What was the cost in dollars for each cone sold by the student council?