SOLUTION: A bag contains 9 pennies, 8 nickels and 5 dimes. How many quarters should be added to make the probablilty of drawing a dime 1/6?

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Question 407007: A bag contains 9 pennies, 8 nickels and 5 dimes. How many quarters should be added to make the probablilty of drawing a dime 1/6?
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!


Hi

A bag contains 9 pennies, 8 nickels and 5 dimes: 22 coins total

 5/30 = 1/6

 22 + 8 = 30 

  8 quarters would give the needed 30 coin total

 P(dime) = 5/30 = 1/6