Giuliana has 22 quarters and dollar coins worth a total of $⁢10.75. Which equation can be used to find d , the number of dollar coins Giuliana has?

Each quarter is worth $0.25, and each dollar coin is worth $1. If Giuliana has d dollar coins, then she has 22 − d quarters because there are 22 coins altogether. The total value is therefore 0.25(22 − d) + d = 10.75, which is choice B.

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