To solve this problem you must keep on min the information given in the problem shown above:
 1- You have that
 - The height reached by amal's rocket was 1/4 of the height reached by min's rocket.
 - Amal's rocket REAched a height of 15 meters.
 2. Therefore, let's call "x" to the height reached by min's rocket. Then, you have:
 (1/4)x=15
 x/4=15
  Which equation could be used to find the height reached by min's rocket?
 The answer is:  x/4=15
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