.1D + .5N + .25Q = 2.50
D = 2Q
N = 4Q
4Q = 2D = N
2000(.1D + .05N + .25Q = 2.5)
200D + 100N + 500Q = 5000
100Q + 25Q + 500Q = 5000
625Q = 5000
Q = 8
There are 8 quarters
8.6m questions
11.2m answers