In early spring, you are wanting to purchase 6 potted rose plants. the plants to choose from come in 8-inch pots that sell for $12 and 10-inch pots that sell fro $15. if you spend $78, which of the following are the equations for this scenario? let x= number of 8 inch pots and let y = number of 10 - inch pots.

a. y+15y=6
12x+x=78

b. x+y=6
12x+15y=78

c. x+y=78
12x +15y=6(78

d. x+y=6
15x+12y=78

e. no solution