Posted by **bart** on Tuesday, June 1, 2010 at 12:46am.

The total cost of purchasing from a mailorder catalog, y, is a function of the cost of the items purchased, x. In addition there is a fixed shipping charge of 2.75 per order, and sales tax is 8%. Write an equation that shows the relationship between the quantities. I have problems with standard story problems. HELP.

Would it be .08x + 2.75=0

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