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a wallet containing 5 five-dollar bills, 7 ten-dollar bills, and 8 twenty-dollar bills Is found and returned to its owner. the wallets 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?

Respuesta :

The formula for probability is [tex]\frac{number of ideal outcomes}{number of possible outcomes}[/tex]. Because there are 8 $20 bills, there are 8 ideal outcomes and 20 possible outcomes. THis gives us [tex]\frac{8}{20}[/tex] which can be simplified to [tex]\frac{2}{5}[/tex].

The answer is 2/5 or 0.4 or 40%.

Answer:

2/5

Explanation:

There are 5+7+8 = 20 total bills.

Out of these, 8 are twenty-dollar bills.

The probability of choosing 1 twenty-dollar bill is then 8/20, which simplifies to 2/5.