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