SOLUTION: Janes total grocery bill including tax was $51.23.There is a 9% sales tax on groceries. How did the goods cost without tax?

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Question 214317: Janes total grocery bill including tax was $51.23.There is a 9% sales tax on groceries. How did the goods cost without tax?
Answer by Earlsdon(6294) About Me  (Show Source):
You can put this solution on YOUR website!
Let x = the cost of the goods before tax, then:
x+0.09x = $51.23 Factor out x on the left side.
1.09x = $51.23 Divide both sides by 1.09
x = $47.00