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23 June, 16:50

Nicole breeds pit-bull terriers. Her dog. Bella, gave birth to 7 puppies. For the female pup she charges $550 and $500 for males. Her profit comes out to be $3650, determine how many males and female were born.

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  1. 23 June, 18:01
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    The answer to your question is 4 males and 3 females were born.

    Step-by-step explanation:

    Data

    total number of puppies = 7

    price of females = f = $550

    price of males = m = $500

    Profit = $3650

    Process

    1. - Write two equations that represent this problem

    f + m = 7

    550f + 500m = 3650

    2. - Solve this system of equations by substitution

    f = 7 - m

    550 (7 - m) + 500m = 3650

    Simplify

    3850 - 550m + 500m = 3650

    Solve for m

    - 550m + 500m = 3650 - 3850

    - 50m = - 200

    m = - 200/-50

    m = 4

    3. - Calculate f

    f = 7 - 4

    f = 3
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