SOLUTION: algebra 1 : system problem - suppose you have 15 coins that total 35 cents. some coins are nickels and the rest are pennies. how many of each do you have?

Question 809835: algebra 1 : system problem - suppose you have 15 coins that total 35 cents. some coins are nickels and the rest are pennies. how many of each do you have?
Answer by TimothyLamb(4379) (Show Source): You can put this solution on YOUR website!
p + n = 15
p + 5n = 35
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p + n = 15
p = 15 - n
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p + 5n = 35
15 - n + 5n = 35
4n = 20
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Answer:
n = 5
p = 10
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