anonymous
  • anonymous
Your piggy bank has a total of 41 coins in it; some are dimes and some are nickels. If you have a total of $3.45, how many nickels do you have?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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Hero
  • Hero
n + d = 41 .05n + .10d = 3.45 solve the system
anonymous
  • anonymous
What system?
anonymous
  • anonymous
5?

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Hero
  • Hero
Ever heard of systems of equations?
anonymous
  • anonymous
I believe.
anonymous
  • anonymous
Forgot though.
anonymous
  • anonymous
I forget things easily.
Hero
  • Hero
I'm sorry to hear that.
anonymous
  • anonymous
Why's that?
anonymous
  • anonymous
You need that to solve the problem...
anonymous
  • anonymous
I don't know how to solve it!
anonymous
  • anonymous
Use the system of equations, solve for each variable.
anonymous
  • anonymous
Could you explain how to use them?
Hero
  • Hero
There are different ways to solve systems of equations.
anonymous
  • anonymous
Take a look at this: http://www.purplemath.com/modules/systlin5.htm
anonymous
  • anonymous
I have 3 nickels.
anonymous
  • anonymous
No, 5 nickels.
anonymous
  • anonymous
Right, vparikh
anonymous
  • anonymous
?

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