SOLUTION: Tom puts all the pennies, nickels, and dimes he get in change in a bank. At the end of a week he has $2.57 in change, with four times as many nickels as pennies and 4 more dimes th

Algebra ->  Customizable Word Problem Solvers  -> Finance -> SOLUTION: Tom puts all the pennies, nickels, and dimes he get in change in a bank. At the end of a week he has $2.57 in change, with four times as many nickels as pennies and 4 more dimes th      Log On

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Question 1088588: Tom puts all the pennies, nickels, and dimes he get in change in a bank. At the end of a week he has $2.57 in change, with four times as many nickels as pennies and 4 more dimes than pennies. How many of each type of coin does he have?
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
system%28p%2B5n%2B10d=257%2Cn%2Fp=4%2Cd=p%2B4%29

p%2B5%284p%29%2B10%28p%2B4%29=257
p%2B20p%2B10p%2B40=257
31p=257-40
31p=217
highlight_green%28p=7%29, and you can find n and d yourself...