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5 September, 17:35

Derrick has a total of 9 nickels and quarters in his pocket. The total amount of money he has in coins is $1.45. How many nickels and how many quarters does Derrick have? (with solution)

A. 3 nickels and 6 quarters

B. 6 nickels and 3 quarters

C. 4 nickels and 5 quarters D.

5 nickels and 4 quarters

+4
Answers (2)
  1. 5 September, 19:33
    0
    A) N + Q = 9

    B).05 N +.25 Q = 1.45

    Multiplying A) by -.25 we get

    A) -.25 N -.25Q = - 2.25 then adding B)

    B).05 N +.25 Q = 1.45

    -.2N = -.80

    4 Nickels

    5 Quarters

    Answer is C
  2. 5 September, 21:07
    0
    The answer is C. 4 nickels and 5 quarters
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Home » Mathematics » Derrick has a total of 9 nickels and quarters in his pocket. The total amount of money he has in coins is $1.45. How many nickels and how many quarters does Derrick have? (with solution) A. 3 nickels and 6 quarters B. 6 nickels and 3 quarters C.
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