To study the bison, Natalie has a budget of $15,000 dollars, all or some of which she can spend on tracking devices. A radio tra
cker costs $650 and a GPS tracker costs $1400. She wants to purchase at least 15 trackers, and wants more than 7 to be GPS trackers. What solution or solutions exist to solve this budgeting problem? If there is no solution, write "no solution".
