SOLUTION: Mario has a string of certain length. When 6 meters of string were taken from it, it became three-fourths its original length. How long was the string at first, in meters?
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Question 1151281: Mario has a string of certain length. When 6 meters of string were taken from it, it became three-fourths its original length. How long was the string at first, in meters? Answer by ikleyn(52778) (Show Source):
x - 6 = .
Solve for x, which is the original length.
Or notice that 6 meters is exactly of the original length,
so the answer is 6*4 = 24 meters, without any equation/equations.
Note. The words "it became . . . " I interpret as "the remainder became . . . "
