# SOLUTION: Rico's collection of quarters and dimes contains \$32.85. There are 171 coins in all. How many quarters and how many dimes are in Rico's collection?

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 Question 179804: Rico's collection of quarters and dimes contains \$32.85. There are 171 coins in all. How many quarters and how many dimes are in Rico's collection?Answer by stanbon(57219)   (Show Source): You can put this solution on YOUR website!Rico's collection of quarters and dimes contains \$32.85. There are 171 coins in all. How many quarters and how many dimes are in Rico's collection? ---------------------------- Equations: Quantity Equation: q + d = 171 Value Equation...:25q+10d = 3285 cents ------------------------- Modify to get: 10q + 10d = 1710 25q + 10d = 3285 ----------------------- Subtract 1st from 2nd to solve for "q": 15q = 1575 q = 105 (# of quarters) -------------- Substitute into q + d = 171 to solve for "d": 105 + d = 171 d = 66 (# of dimes) --------------------------- Cheers, Stan H.