Answer:
0.60
Explanation:
d+n = 25 subtract d from both sides:
n = 25-d I'll use this value for n next:
0.10d+0.05n = 1.85
0.10d+0.05(25-d)= 1.85
0.10d+1.25-0.05d = 1.85
0.05d = 0.60
I hope this is correct! Im not the smartest!
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