SOLUTION: a coin jar contains dimes and nickels only. In the jar, 3 out of 10 coins are dimes. if the jar contains 100 coins. how much money is there in nickels
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Question 697315: a coin jar contains dimes and nickels only. In the jar, 3 out of 10 coins are dimes. if the jar contains 100 coins. how much money is there in nickels Found 2 solutions by jim_thompson5910, lynnlo:Answer by jim_thompson5910(35256) (Show Source):
You can put this solution on YOUR website! "3 out of 10 coins are dimes" and there are 100 total coins, so there are (3/10)*100 = 300/10 = 30 dimes
Therefore, there are 100 - 30 = 70 nickels
The total value of these 70 nickels is 70*0.05 = 3.50 dollars
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