Relier Pairs Percent ReviewVersion en ligne vocabulary and formulas for test review par STEPHANIE GREGORY 1 interest 2 Principal 3 interest rate 4 how to find percent increase or percent decrease 5 To change a percent to a decimal 6 how to find percent error 7 To find the total after a disccount 8 simple interest formula 9 To change a decimal to a percent 10 how to find the percent of a number 11 To find the total after tax or gratuity I = PRT Multiply the cost by the percent as a decimal, the subtract that amount from the cost the % being charged for a loan or the % being earned for investing the amount of money being charged to borrow money or the amount of money earned for investing money Move the decimal two times to the left the amount of money being invested or the amount of money being borrowed difference/original = %/100 Multiply the cost by the percent as a decimal, then add it back to cost difference/actual = %/100 Move the decimal 2 times to the right is/of = %/100
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