Answer:
15
Step-by-step explanation:
caca
Q +N =27
Q=27-N
0.25Q + 0.05N =3.75
0.25(27-N) + 0.05 =3.75
6.75-0.25N+0.05N=3.75
6.75-0.2N=3.75
-0.2N=-3
N=-3/-0.2 = 15
15 nickels
27-15 = 12
12 quarters
15x0.05 = 0.75
12 x 0.25 = 3.00
3.00 + 0.75 = 3.75
12 quarters & 15 nickels
not enough information, I'd be able to help if there was sorry
