SOLUTION: A tax exempt Charity received a bill of $145.90 for a sump pump. The bill incorrectly included sales tax of 5%. How much does the charity owe? X= $ charity owes I thought I h

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Question 438679: A tax exempt Charity received a bill of $145.90 for a sump pump. The bill incorrectly included sales tax of 5%. How much does the charity owe?
X= $ charity owes
I thought I had this, seems so easy, but I got it wrong?
I took 145.90 - 5% = 140.90
145.90 - .05=x
Help what am I missing here?

Answer by jorel1380(3719) About Me  (Show Source):
You can put this solution on YOUR website!
x+.05x=$145.90
1.05x=$145.90
x=$145.90/1.05
"=$138.95
The charity overpaid by $6.95.