Carllll needs help

Newest questions and responses by Carllll needs help
  1. Math please

    A 75% alcohol concentration mixture of water and alcohol was made by mixing 30ml of pure alcohol with 150 ml of original mixture of water and alcohol. what was the alcohol concentration of the orignal mixture The amount of water has not changed. Since the

    asked on April 13, 2007
  2. algebra

    twice the length L of a rectangle is equal to 3 times its width W. Its perimeter is 120 cm. translate the English into math.. "twice the length L of a rectangle is equal to 3 times its width W" 2L = 3W "Its perimeter is 120 cm." 2L + 2W = 120 but 2L=3W so

    asked on April 13, 2007