solve: Junior's coffee shop offers two different sizes of coffee. The small coffee costs $2.50 while the large coffee costs $3.50. It is your turn to buy coffee for the office and your bill came to $52.50. This scenario can be modeled by the equation 2.5x + 3.5y = 52.50 where "x" represents the number of small coffees and "y" represents the number of large coffees. Which of the following is not a possible combination of small and large coffees?
1. 0 small coffees and 15 large coffees
2. 15 small coffees and 0 large coffees
3. 7 small coffees and 10 large coffees
4. 14 small coffees and 5 large coffees

Question

solve: Junior's coffee shop offers two different sizes of coffee. The small coffee costs $2.50 while the large coffee costs $3.50. It is your turn to buy coffee for the office and your bill came to $52.50. This scenario can be modeled by the equation 2.5x + 3.5y = 52.50 where "x" represents the number of small coffees and "y" represents the number of large coffees. Which of the following is not a possible combination of small and large coffees? 
1.  0 small coffees and 15 large coffees
2.  15 small coffees and 0 large coffees
3.  7 small coffees and 10 large coffees
4.  14 small coffees and 5 large coffees