A coffee distributor offers two types of coffee beans: Arabica and Robusta. Supplier X sells Arabica beans for $12.50 per pound and Robusta beans for $8.00 per pound. A certain order of Arabica and Robusta beans would cost $101.00 from Supplier X. Supplier Y sells Arabica beans for $15.00 per pound and Robusta beans for $10.00 per pound. The same order of Arabica and Robusta beans would cost $122.00 from Supplier Y. How many total pounds of coffee beans were in this order?