SOLUTION: You have 30 coins. You have nickels, twice as many dimes as nickels and quarters. You have $5.50 total. How many of each coin do you have?
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Question 344080: You have 30 coins. You have nickels, twice as many dimes as nickels and quarters. You have $5.50 total. How many of each coin do you have?
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
1.
2.
3.
Substitute eq. 2 into eq. 1 and eq. 3.
4.
.
.
.
5.
From eq. 4,
Substitute from eq. 5,
.
.
.
.
.
.
Then from eq. 1,
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