At the donut shop the cost for a dozen donut holes and a glass of milk is $3.45. The cost for 2 dozen donut holes and 5 glasses of milk is $11.25. Which pair of equations can be used to determine d, the cost of a dozen donuts holes, and m, the cost of a glass of milk?
d + m = 3.45
2d + 2m = 11.25