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 2.5s + 3.5l = 52.50. Which of the following is not a possible combination of small and large coffees?
A) 0 small coffees and 15 large coffees
B) 15 small coffees and 0 large coffees
C) 7 small coffees and 10 large coffees
D) 14 small coffees and 5 large coffees

Question

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 2.5s + 3.5l = 52.50. Which of the following is not a possible combination of small and large coffees? 
A) 0 small coffees and 15 large coffees
B) 15 small coffees and 0 large coffees
C) 7 small coffees and 10 large coffees
D) 14 small coffees and 5 large coffees

anonymous · Answer

all the rest combinations give 52.5 as answers except the b)option

anonymous · Answer

just put s=15 and y=0 for b) option you wont gbet 52.5

anonymous · Answer

wow, i should have looked at it more closely , so simple(: thanks so much(: