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