Acar dealership is having a sale in which customers pay 85% of the retail price for a new vehicle. keith is buying a vehicle with a retail price of $36,000. he negotiates to get 9% off the sale price. how much does keith pay for the vehicle before tax?

First, we calculated the discounted price which would have been paid by Keith. That is the product of 85% and $36,000.
                                      ($36,000) x (85%) = $30,600
Then, after negotiating to pay 9% off the sale price, he will only need to pay 91% of the sale price. The new price would be,
                              ($30600) x (0.91) = $27846
Thus, Keith will only need to pay $27,846.