Bobby is bringing his collection of dimes and quarters to the bank to deposit into his savings account. if d represents the number of dimes in bobby’s collection, q represents the number of quarters, and the collection is worth $63.75, which of the following equations models the value of bobby’s collection? a. 63.75 = d + q b. 63.75 = 25d + 10q c. 63.75 = 10d + 25q d. 63.75 = 0.10d + 0.25q