A wallet containing 5 five-dollar bills, 7 ten-dollar bills, and 8 twenty-dollar bills is found and returned to its owner. The wallet's owner will reward the finder with 1 bill drawn randomly from the wallet. What is the probability that the bill drawn will be a twenty-dollar bill?
A.) 1/20
B.) 4/51
C.) 1/8
D.) 2/5
E.) 2/3
A.) 1/20
B.) 4/51
C.) 1/8
D.) 2/5
E.) 2/3
number of successes
----------------------- = probability
number of possibilities
8 bills are twenty-dollar bills (successes)
20 bills total (possibilities)
8
---- = probability
20
D.) 2/5 {reduced}
Ask Algebra House
----------------------- = probability
number of possibilities
8 bills are twenty-dollar bills (successes)
20 bills total (possibilities)
8
---- = probability
20
D.) 2/5 {reduced}
Ask Algebra House
