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