Emmy is counting his monkey when he notices that he has 3 more quarters than dimes and the number of nickels are the same as the sum of quarters and dimes. The total cash he has in hand is $\$3.60$. How many quarters does he have ?

Question

$\begin{array}{1 1} a) 6 \\ b) 9 \\ c) 15 \\ d) 10\end{array} $