Answer:
14 quarters
Step-by-step explanation:
x + y = 23 || x = number of Quarters || y = number of Dimes
xQ + yD = 4.4
0.25x + 0.1y = 4.4 and x + y = 23
x = 14 and y = 9 are the only values that work.
x = number of quarters = 14
This means there are 14 quarters in the bag.