SOLUTION: Ramon has P3.80 n 25c and 10c. He has a total of 30 coins. How many of each coin does he have?
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Question 996159: Ramon has P3.80 n 25c and 10c. He has a total of 30 coins. How many of each coin does he have?
Answer by CubeyThePenguin(3113) (Show Source): You can put this solution on YOUR website!
(repeat problem)
n = number of 5 cent coins
d = number of 10 cent coins
5n + 10d = 380
n + d = 30
Multiply the second equation by 5.
5n + 10d = 380
-(5n + 5d = 300)
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5d = 80
d = 16
There are 14 nickels and 16 dimes.
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