A positive proper fraction and its reciprocal have a 9/20 difference. This is the percentage:
A. 3/5
B. 3/10
C. 4/5
D. 4/3
Answer:C
A positive proper fraction and its reciprocal have a 9/20 difference. This is the percentage:
A. 3/5 B. 3/10 C. 4/5 D. 4/3