SOLUTION: Hennry has n coins, which consists of 10 cent coins, 20 cents coin, and 50 cents coin, find the value of n, if 20 cents coins are 3 times

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Question 1143171: Hennry has n coins, which consists of 10 cent coins, 20 cents coin, and 50 cents coin, find the value of n, if 20 cents coins are 3 times
Answer by ikleyn(52810) About Me  (Show Source):
You can put this solution on YOUR website!
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