Answer :

Sales tax percentage = 5% = 5/100 = 0.05 (decimal form)

Sales tax amount = $400

Multiply the selling price of the boat (x) by the sales tax percentage in decimal form. That expression must be equal to 400.

0.05x = 400

Solve for x:

x = 400/ 0.05

x= $8,000

That’s what it was a good night time to get

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