SOLUTION: Jim has a total of 50 coins. Some are nickels and some are dimes. Altogether he has $4.15. How many dimes does he have? How many nickels?
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Question 168128: Jim has a total of 50 coins. Some are nickels and some are dimes. Altogether he has $4.15. How many dimes does he have? How many nickels?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
= number of nickels he has
= number of dimes he has
Given is
(1)
(2)
Multiply both sides by
(3)
Substitute in (2) for in (3)
(2)
He has 33 dimes and 17 nickels
check:
OK
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