SOLUTION: I have 28 silver colored coins that amount to $2.80 in my pocket. Three times the number of nickels plus the number of quarters is the same as the number of dimes. How many of each

Question 1020279: I have 28 silver colored coins that amount to $2.80 in my pocket. Three times the number of nickels plus the number of quarters is the same as the number of dimes. How many of each type of coin do I have in my pocket?
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
1.
2.
3.
Use eq. 2 to substitute for D in 1 and 3.

4.
.
.

5.
Now subtract 5 from 4 to eliminate Q.

Then,

and

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