A. so the 3 before the 3(r-5) represents the initial price, in this circumstance being 3
B. the R represents the rentals, for every R another video game has been rented
C. The 5 represents the money subtracted for every video game rented.
50% chance, since their are 50 other marbles in the jar.
It's (4,2). Can you comment why you're having a struggle with this? I might be able to help you.
