Results 1 to 3 of 3

Math Help - Word Problem

  1. #1
    Junior Member
    Dec 2009

    Word Problem

    The day you begin to store a watermelon in your basement it weighs 10 pounds and is 99% water. You forget about it for a while and when you bring it up from the basement, it is 98% water. What does it weigh?

    Please Help!
    Follow Math Help Forum on Facebook and Google+

  2. #2
    MHF Contributor Unknown008's Avatar
    May 2010
    At first, you had 99% water. So, you had 10 x 99% = 9.9 mass of water and 0.1 dry mass.

    The dry mass is always constant.

    Then, you have 98% weight water. This means that the 2% is dry mass, and is equal to 0.1.

    Find for 100%, using proportions.

    Post your answer!
    Follow Math Help Forum on Facebook and Google+

  3. #3
    May 2010
    its solid content is 1%of 10pounds = 0.1pound
    The new weight, W, is such that the solid content represents 2% (100-98) but is still 0.1pound
    so, 0.1= 0.02*W
    thus W=0.1/0.02=5 pounds
    Follow Math Help Forum on Facebook and Google+

Similar Math Help Forum Discussions

  1. word problem - the snow plough problem?
    Posted in the Differential Equations Forum
    Replies: 1
    Last Post: October 13th 2011, 02:02 PM
  2. Replies: 3
    Last Post: January 2nd 2011, 09:20 PM
  3. 1 Word problem and 1 function problem
    Posted in the Algebra Forum
    Replies: 8
    Last Post: April 21st 2010, 09:01 AM
  4. Replies: 2
    Last Post: January 10th 2009, 06:49 AM

Search Tags

/mathhelpforum @mathhelpforum