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Math Help - Need Help to solve math puzzle- water tank

  1. #1
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    Need Help to solve math puzzle- water tank

    If one - third of tank holds 80 liters of water, then what is the quantity of water that half of the tank holds?
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  2. #2
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    Re: Need Help to solve math puzzle- water tank

    Let the total capacity of water tank be $x$.

    Then $\frac{1}{3}x=80\Rightarrow x=80*3=240 \text{ litres}$
    Then half of tank will be 1/2 of x. I think you can do it from now by substituting x.
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  3. #3
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    Re: Need Help to solve math puzzle- water tank

    What grade are you in, Burgess?
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  4. #4
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    Re: Need Help to solve math puzzle- water tank

    Thanks for your solution

    Quote Originally Posted by NameIsHidden View Post
    Let the total capacity of water tank be $x$.

    Then $\frac{1}{3}x=80\Rightarrow x=80*3=240 \text{ litres}$
    Then half of tank will be 1/2 of x. I think you can do it from now by substituting x.
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