SOLUTION: Melissa has 18 nickels and 22 dimes. Now suppose she spends 8 of her coins. She spends 4 more nickels than dimes. What is the value of the coins that she has left?
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-> SOLUTION: Melissa has 18 nickels and 22 dimes. Now suppose she spends 8 of her coins. She spends 4 more nickels than dimes. What is the value of the coins that she has left?
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Question 978555: Melissa has 18 nickels and 22 dimes. Now suppose she spends 8 of her coins. She spends 4 more nickels than dimes. What is the value of the coins that she has left? Answer by josmiceli(19441) (Show Source):
You can put this solution on YOUR website! Let = the number of dimes she spends
Let = the number of nickels she spends
(1)
(2)
-----------------
(2)
Add (1) and (2)
and
(1)
(1)
(1)
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She has left: nickels dimes
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The value of what she has left is: cents in nickels
----------------------------- cents in dimes
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She has $2.60 left
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check the answer:
She spent cents spent
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She started with $3.10
She started with $3.10
OK