Problem
\( 4: 23 \) :i!! 5 Solving Question to calculate a seller's rating, \( R \), based on the number of favorable reviews, \( F \), and unfavorable reviews, \( N \). Which of the following expresses the number of favorable reviews in terms of the other variables? A) \( F=\frac{R N}{R-1} \) B) \( F=\frac{R N}{1-R} \) C) \( F=\frac{N}{1-R} \) D) \( F=\frac{N}{R-1} \) Solving Steps \( \uparrow \) (1) \( R=\frac{F}{F+N} \) (2) Solve for \( \mathrm{F} \) : (3) \( F=\frac{R N}{1-R} \) Was the solution helpful? YES NO Adjust Next Photo
Solution
Step 1 ：(1) \( R=\frac{F}{F+N} \)
Step 2 ：(2) Solve for \( F \) :
Step 3 ：(3) \( F=\frac{R N}{1-R} \)
