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Math Help - Multiple Choice!

  1. #1
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    Post Multiple Choice!

    Suppose you have just enough money, in coins, to pay for a loaf of bread priced at $1.95. You have 12 coins, all quarters and dimes. Let q equal the number of quarters and d equal the number of dimes. Which system models the given information?
    A. q + d = 12 B. 25q + 10d = 195
    q + d = 1.95 q + 12 = d

    C. 10q + 25d = 12 D. q + d =12
    q + d = 1.95 25q + 10d = 195

    Thanks!
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  2. #2
    A riddle wrapped in an enigma
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    Quote Originally Posted by amberkraidich View Post
    Suppose you have just enough money, in coins, to pay for a loaf of bread priced at $1.95. You have 12 coins, all quarters and dimes. Let q equal the number of quarters and d equal the number of dimes. Which system models the given information?
    A. q + d = 12 B. 25q + 10d = 195
    q + d = 1.95 q + 12 = d

    C. 10q + 25d = 12 D. q + d =12
    q + d = 1.95 25q + 10d = 195

    Thanks!
    Hi amber,

    I can't see which pairs are associated with which lettered answer, but the two equations you need are:

    q + d =12

    25q + 10d = 195
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