Answer:
r=17
Step-by-step explanation:
35-1=34
2r=34
34 divided by 2 is 17
r = 17
1+2r=35
Subtract 1 from each side
1-1+2r=35-1
2r = 34
Divide each side by 2
2r/2 = 34/2
Apply law of total resistance in parallel circuit
The true statement is that the answer is 75
the answer is
15/(3+d)