pre-algebra

After earning interest the balance of an account is $420. The new balance is 7/6 of the orginial balance. How much interest was earned?

asked by Elly
  1. (7/6)x = 420
    (6/7)(7/6)x = (6/7)(420)
    x = 360

    posted by Reiny
  2. 420 -360 = 60
    Answer = 60 dollars / $60

    posted by George

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