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careless850 Group Title

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?

  • one year ago
  • one year ago

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  1. Hero Group Title
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    n + d = 41 .05n + .10d = 3.45 solve the system

    • one year ago
  2. careless850 Group Title
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    What system?

    • one year ago
  3. careless850 Group Title
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    5?

    • one year ago
  4. Hero Group Title
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    Ever heard of systems of equations?

    • one year ago
  5. careless850 Group Title
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    I believe.

    • one year ago
  6. careless850 Group Title
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    Forgot though.

    • one year ago
  7. careless850 Group Title
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    I forget things easily.

    • one year ago
  8. Hero Group Title
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    I'm sorry to hear that.

    • one year ago
  9. careless850 Group Title
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    Why's that?

    • one year ago
  10. vparikh Group Title
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    You need that to solve the problem...

    • one year ago
  11. careless850 Group Title
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    I don't know how to solve it!

    • one year ago
  12. vparikh Group Title
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    Use the system of equations, solve for each variable.

    • one year ago
  13. careless850 Group Title
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    Could you explain how to use them?

    • one year ago
  14. Hero Group Title
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    There are different ways to solve systems of equations.

    • one year ago
  15. vparikh Group Title
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    Take a look at this: http://www.purplemath.com/modules/systlin5.htm

    • one year ago
  16. careless850 Group Title
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    I have 3 nickels.

    • one year ago
  17. careless850 Group Title
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    No, 5 nickels.

    • one year ago
  18. careless850 Group Title
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    Right, vparikh

    • one year ago
  19. careless850 Group Title
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    ?

    • one year ago
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