Computer Mathematics and the Graphing Calculator

Example: If a consumer buys 5 items that cost $1.17 each and the tax rate is 4%, determine the amount of the tax and the total cost. Compute the amount of commission and total pay when given the percent of commission and the amount of sales. Example: If a salesman earns 7.5% commission on $815 in sales, determine the amount of the commission. ................
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