Which of the following systems of equations can be used to find the number of dimes, d, and the number of quarters, q, that Alexis has?
A. d+q=5.80 40d+40q=5.80
B. d+q=40 5.80d+5.80q=40
C. d+q=5.80 0.10d+0.25q=40
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Home » Mathematics » Alexis has some dimes and quarters. Her coins have a total value of $5.80 She has a total of 40 coins Which of the following systems of equations can be used to find the number of dimes, d, and the number of quarters, q, that Alexis has? A. d+q=5.