# 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?

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1. (7/6)x = 420
(6/7)(7/6)x = (6/7)(420)
x = 360

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

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posted by George

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