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Posted by Tammy on Monday, February 18, 2013 at 2:12pm.
When 18 is subtracted from four times a certain number, the result is 5/2 the original number. What is the number?
4n - 18 = 2.5n 4n - 2.5n = 18 1.5n = 18 n = 18/1.5 n = 12
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