SOLUTION: A dish contains 1 penny, 1 nickel and 1 dime. A batch of two coins is drawn out, and you�re told that their total value is 7 cents or more. What is the probability that the two co

Question 948555: A dish contains 1 penny, 1 nickel and 1 dime. A batch of two coins is drawn out, and you�re told
that their total value is 7 cents or more. What is the probability that the two coins are the nickel
and the dime?
Answer by EdenWolf(517) (Show Source): You can put this solution on YOUR website!
So, 1 penny is 1 cent.
1 nickel is 5 cents.
1 dime is 10 cents.
So let's see how many pairs of coins will get a total value of 7 cents or more.
A penny and a dime will be 11 cents, so that's greater than 7 cents.
A nickel and a dime will be 15 cents, so that's greater than 7 cents.
A penny and a nickel will be 6 cents, but that's less than 7 cents.
So it's possible for either a penny and a dime OR a nickel and a dime to be pulled with a total value of 7 cents or more.
If it's the nickel and the dime, then the probability is 50%, or 1/2. Hope I helped!
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