SOLUTION: Jill has $3.50 in nickels and dimes. If she has 50 coins, how many of each type of coin does she have?

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Question 46581This question is from textbook
: Jill has $3.50 in nickels and dimes. If she has 50 coins, how many of each type of coin does she have? This question is from textbook

Answer by Nate(3500) About Me  (Show Source):
You can put this solution on YOUR website!
3.5+=+0.05n+%2B+0.1d
50+=+n+%2B+d
Combine:
3.5+=+0.05n+%2B+0.1d
+
-5+=+-0.1n+-+0.1d
=
-1.5+=+-0.05n
30+=+n
50+-+n+=+d
50+-+30+=+d+=+20
20 dimes and 30 nickels