SOLUTION: Including a 16% sales tax, a ring costs $580. Find the original cost of the ring

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Question 932098: Including a 16% sales tax, a ring costs $580. Find the original cost of the ring
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
1•C + .16C = $580
C( 1 + .16) = $580
C(1.16) = $580
C = $580/1.16 = $500