Computer Mathematics and the Graphing Calculator

This could involve getting the correct percentage of antifreeze in a radiator, the percentage of active ingredient in a medicine, the percentage of salt or acid in a solution, or the percentage of walnuts in mixed nuts. For example: ENTER QTY 15. CURRENT PERCENT 32. DESIRED PERCENT 45. QUANTITY OF. PURE INGRED . TO ADD IS 3.5 ................
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