Lucy has 27 coins that are either dimes or quarters. She has a total of $4.95. What set of equations could be used to find the number of dimes and quarters that Lucy has?
0.10D+0.25Q = 4.95D+Q=27
0.25D+0.10Q = 4.95D+Q=27
0.10D+0.25Q = 27D+Q=4.95
10D+25Q =27D+Q=495