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math

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how many ways can you make 75 cents with quarters, dimes, and nickels

  • math - ,

    This took some work:P
    (1) 3 quarters
    (2) 7 dimes; 1 nickel
    (3) 15 nickels

    Then it gets tricky:
    (4) 2 quarters, 5 nickels
    (5) 2, quarters, 2 dimes, 1 nickel
    (6) 1 more time to convert 1 dime into 2 nickels
    (7) 1 quarter, 10 nickels
    (8) 1 quarter, 5 dimes
    (9-12) 4 more times to convert each dime, but 1, into 2 nickels
    (13-18) 6 more times to convert each dime, but 1, into 2 nickels.
    I don't think I missed any!!

  • math - ,

    what is 10 dollars change from 6.35 cents

  • math - ,

    how many combinations of coins equal 2.00 when given 12 quarters, 10dime ,10 nickels and 20 pennies.

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