math 050

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There are 3 pizzas, cut into 10 peices each. The total cost of the pizzas was $25, and dorm A contributed $10 towards the pizza. How many peices of pizza should dorm A receive?

  • math 050 -

    3*10=30

    x/30=10/25
    Cross multiply:
    25x=300
    Divide both sides by 25:
    x=12

    To check, plug in 12 for x

    12/30=10/25
    Simpligy:
    2/5=2/5

  • math 050 -

    *simplify

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