You have 51 dollar bills for five dollar bills six $10 bill and three $20 bills in your wallet. you select a bill at random. without replacing the bill, you chose a second bill. what is p

The probability of getting a certain bill without replacing are as follows:
The probability of getting a five dollar bill is 5 over 14.
The probability of getting a ten dollar bill is 6 over 13.
 The probability of getting a twenty dollar bill is 3 over 12.  

A= b/2 because u simplying both sides of equation