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