SOLUTION: brenda sells a phone for 104 dollars. this is 30% markup on the cost she paid for the phone. What did she pay for the phone?

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Question 842961: brenda sells a phone for 104 dollars. this is 30% markup on the cost she paid for the phone. What did she pay for the phone?
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
C%2A%281%2B30%2F100%29=104
C=104%2F1.3
C=80
She paid $80 for the phone.