Q = D+8
25Q + 10D = 550
Sub Q into the 2nd equation,
25(D+8) + 10D = 550
25D+200 + 10D = 550
35D = 350
D = 10 dimes
Q = 18 quarters
1/2 = 1/2c - 2
+2 + 2
2.5 = 1/2c
----- -----
1/2 1/2
5=c
Answer:
D
Step-by-step explanation:
I looked it up your welcome
