Homework: Gauss-Jordan 2.2 part 2 Bus Econ 2.2.46

A knitting shop orders yarn from three suppliers in Toronto, Montreal, and Ottawa. One month the shop ordered a total of 88 units of yarn from these suppliers. The delivery costs were $84, $52, and $57per unit for the orders from Toronto, Montreal, and Ottawa, respectively, with total delivery costs of $5279. The shop ordered the same amount from Toronto and Ottawa. How many units were ordered from each supplier?

There were ___ units ordered from Toronto, ___ units from Montreal, and ___ units from Ottawa.