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? d – 22 + 0.25d = 10.75 0.25d + 22 – d = 10.75 0.25(22 – d) + d = 10.75 d + 0.25(d – 22) = 10.75

C.

Step-by-step explanation:

Let d represent the number of dollar coins.

We have been given that Giuliana has 22 quarters and dollar coins. So number of quarter coins would be .

We know that value of a quarter is $0.25. So all quarter coins will be worth

We are also told that these coins worth a total of $10.75. This means that d dollar coins and worth 10.75. We can represent this information in an equation as:

Therefore, option C is the correct choice.

Upon solving our equation we will get,

\

Therefore, Guiliana had 7 dollar coins.

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