Justin and George bought some baked goods. Justin purchased 5 cookies for x dollars each and 4 doughnuts for y dollars each and spent $12 dollars on the baked goods. George purchased 1 cookie for x dollars each and 6 doughnuts for y dollars each and spent $5. The system of equations represents this situation. Which statement is true?

5x+4y=12
x+6y=5

Justin spent more on doughnuts than he did on cookies

Justin spent $4 on each doughnut

A cookie cost $1.50 more than a doughnut

George spent 6 times as much on doughnuts as he did on cookies