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A boy has in his pocket a 50-cent piece, two dimes and two pennies. If he pulls out a coin at random, what is the probability it is worth at least ten cents?

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Ghostgate
Well, from what I can tell he has 1 50 cent piece, 2 Dimes, and 2 Pennies. Meaning 5 objects in total, considering that it asks for "at least ten cents" that would mean the 2 Dimes and the 1 50 cent piece.
Since that is 3 objects out of the 5, being 3/5ths, that would mean he has a 60% chance or probability for the first draw.

Hopefully that helps. ^ ^
{-Ghostgate-}
coolness21
I probably not going to explain this right but here it goes So since he has 2 dimes in his pocket he is most likely going to pull out a dime because the most he has of one coin is two and they are both dimes and the other is a 50 cent piece.