SOLUTION: When the piggy bank was opened, it yielded $4.75 in nickles and pennies. If there were 175 coins in all, how many were nickles and how many were pennies?

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Question 1079469: When the piggy bank was opened, it yielded $4.75 in nickles and pennies. If there were 175 coins in all, how many were nickles and how many were pennies?
Answer by CubeyThePenguin(3113) About Me  (Show Source):
You can put this solution on YOUR website!
p = number of pennies
n = number of nickels

p + n = 175
p + 5n = 475

Multiply the first equation by 5.

5p + 5n = 875
p + 5n = 475

Subtract to get 4p = 400, so p = 100.

There are 100 pennies and 75 nickels.