Frank and Jerry save quarters in a piggy bank. The bank had $28 in it, then Frank put in F quarters and Jerry put in J quarters. Which expression can be used to represent the amount of money in the bank now? Responses A: FJ + 28, B: 0.25FJ + 28 C: 0.50(F + J) + 28 D: 0.25F + 0.25J + 28

Frank put in F quarters and Jerry put in J quarters, so the expression that represents the amount of money in the bank now is 0.25F + 0.25J + 28. Therefore, the correct answer is D: 0.25F + 0.25J + 28.