Jenna was selling muffins and bagels in the lobby to support the math club. Bagels sold for $0.75 and muffins sold for $1.50. She sold three times as many bagels as muffins and made $112.50 this morning.
Which of the following systems correctly models this situation?
A. 3B-M=0
0.75B+1.50M=112.5
B. B-3M=112.50
0.75B+1.50M=0
C. B-3M=0
0.75B+1.50M=112.50
D. B+3M=0
0.75B-1.50M=112.50
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