SOLUTION: The number of nickels that Christine has is 5 times the number of dimes. Their value is $1.o5. How many coins of each type does she have?

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Question 417819: The number of nickels that Christine has is 5 times the number of dimes. Their value is $1.o5. How many coins of each type does she have?
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
Let d = number of dimes
Let n = number of nickels
given:
n+=+5d
5n+%2B+10d+=+105 (in cents)
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By substitution:
5d+%2B+10d+=+105
15d+=+105
d+=+7
and, since
n+=+5d
n+=+35
She has 35 nickels and 7 dimes