Reena has 12 more dimes than she does quarters. If Reena has a total of 28 coins, how many quarters, qq, and how many dimes, dd, does Reena have? Use the equations and the graph below to arrive at your answer.
q = d - 12
q = 28 - d
A. 28 dimes and 12 quarters
B. 20 dimes and 8 quarters
C. 12 dimes and 28 quarters
D. 8 dimes and 20 quarters
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