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    rntndnzn1's Avatar
    rntndnzn1 Posts: 4, Reputation: 1
    New Member
    		  
    #1

    Nov 5, 2009, 09:22 PM
    What was Rusty's weight before he had his drink?
    Rusty the Rhino was very thirsty, despite the fact that water made up 85% of his body weight. After drinking a considerable amount of water, Rusty weighted 1350 pounds, and water made up 86% of his body weight.

    What was Rusty's weight before he had his drink?

    What was the weight of the water he drank?

    I am not sure how to do this problem, but this is what I have so far.

    I multiplied 1350 by .14 to find out how much of his weight was not water. I got 189. I subtracted 1350 from 189 to get how much of his weight is water. I do not know if I am on the right track. I am lost. Please help
    Nhatkiem's Avatar
    Nhatkiem Posts: 120, Reputation: 9
    Junior Member
    		  
    #2

    Nov 5, 2009, 11:28 PM

    You are on the right track. Regardless of how much water he drinks, his weight without water should remain the same! Keep going!
    Curlyben's Avatar
    Curlyben Posts: 18,514, Reputation: 1860
    BossMan
    		  
    #3

    Nov 5, 2009, 11:46 PM
    Even simpler than that.
    Now much has the % changed from before and after?
    rntndnzn1's Avatar
    rntndnzn1 Posts: 4, Reputation: 1
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    #4

    Nov 6, 2009, 10:33 AM

    It is changed 1"%.
    Puzzman's Avatar
    Puzzman Posts: 7, Reputation: 1
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    #5

    Nov 6, 2009, 12:15 PM

    You're really close

    You know that he weights 189 pounds without any water. Which is 15% of his original weight so...
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