Homework Help: math

Posted by Heather on Monday, May 31, 2010 at 11:46pm.

Find the sales tax rate in your area. Using this tax rate, write a linear equation representing the total with tax for a purchase of x dollars. Use this equation to determine what the pre-tax cost of the item is if the total cost with tax is $10.

math - PsyDAG, Tuesday, June 1, 2010 at 11:15am
(Original price) (1 + tax rate) = total cost

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