**TI83F* AppVariable file 04/07/08, 21:13ï ÞMC305ÞÜnav 3E2F35A19A47F326F36C1C52B94BBA34MC305.MC3051  compatible numbers]compatible numbers:ÖTwo numbers that are easy to add, subtract, multiply, or divide mentally. compound interest_compound interest:ÖInterest paid on the initial principal and on interest earned in the past.  discount;discount:ÖThe amount by which a regular price is reduced.  interestDinterest:ÖThe amount of money paid or earned for the use of money.  markupcmarkup:ÖThe amount the price of an item is increased above the price the store paid for the item.  percent\percent:ÖA ratio that compares a number to 100.ÖExample:Ö76 out of 100 isÖ76 percent or 76%. percent equationnpercent equation:ÖAn equivalent form of the percent proportion in which the percent is written as a decimal.  percent of changeYpercent of change:ÖA ratio that compares the change in a quantity to the original amount.  percent of decreasegpercent of decrease:ÖThe ratio of an amount of decrease to the original amount, expressed as a percent.  percent of increasegpercent of increase:ÖThe ratio of an amount of increase to the original amount, expressed as a percent.  percent proportionXpercent proportion:ÖCompares part of a quantity to the whole quantity using a percent.    principal6principal:ÖThe amount of money invested or borrowed.    selling price:selling price:ÖThe amount the customer pays for an item. Cú