Answer:
I don't know if this helps, just a picture not a link
2. Because if 1/3 + 2/3 is 1 then 1+1=2
Q + d = 100 so q = 100 - d
0.25q + 0.10d = 19
substitute q = 100 - d into 0.25q + 0.10d = 19
0.25q + 0.10d = 19
0.25(100 - d) + 0.10d = 19
25 - 0.25d + 0.10d = 19
-0.15d = -6
d = 40
q = 100 - 40 = 60
answer
Kitara has 60 quarters and 40 dimes
Answer: 1.333333333333333333334
C.7/20
Hope i helped
let me know if i did not