SOLUTION: I need help writing the equation for this word problem: Rebecca has15 coins consisting of nickels and dimes. The total value of coins is $0.95. How many of each does she have?
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Question 597258: I need help writing the equation for this word problem: Rebecca has15 coins consisting of nickels and dimes. The total value of coins is $0.95. How many of each does she have?
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!
Let 
represent the number of nickels. Let 
represent the number of dimes. There are 15 coins, so 
.
Since nickels are worth 5 cents, the value of just nickels is 
cents. Since dimes are worth 10 cents, the value of dimes is 
. Then, since we have a total value of 95 cents:
Now you have a 2X2 system:
Solve the 2X2 system. Recommend you use the substitution method.
John
My calculator said it, I believe it, that settles it
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