SOLUTION: jeb has five dollars worth of coins, but none of them are nickles or quarters. he has one half dollar. he has a total of one hundred coins. how many dimes and pennies does he have?

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Question 1008467: jeb has five dollars worth of coins, but none of them are nickles or quarters. he has one half dollar. he has a total of one hundred coins. how many dimes and pennies does he have?
Answer by fractalier(6550) About Me  (Show Source):
You can put this solution on YOUR website!
Call the number of dimes and pennies, d and p. Then we have
d + p = 99 coins and the values equation is
10d + p = 450 (we work in cents)
Now subtract these equations and get
-9d = -351
d = 39 dimes
p = 60 pennies