# A student raises her grade average from a 75 to a 90. What was the percent of increase in the [Solved] 20% Clarification: 20% is the correct reply because of: (new grade earlier grade) / earlier grade and all of the issues well multiply with your complete amount, 100% and that is really: 90-75 = 15 15 / 75 = 0,2 0,2 x 100% = 20 %

a scholar raises her grade from a 75 to a 90since it is going from a smaller amount to an even bigger amount, u have an increasepercent enhance = (90 75) / 70* 100 =15/70* 100 = 0.2142 * 100 = 21.42 rounds to 21.4% enhance 36.50 on sale for 32.12as a result of it goes from an even bigger amount to a smaller amount, u have a decreasepercent decrease = (genuine amount new amount) / genuine * 100 = (36.50 32.12) / 32.12* 100 = 4.38 / 32.12* 100 = 0.1363* 100 = 13.63 rounds to 13.6% decrease 23.5 to 21.2this is a decreasepercent decrease = (genuine amount new amount) / genuine* 100 = (23.5 21.2) / 23.5* 100 = 2.3 / 23.5* 100 = 0.0979 * 100 = 9.79 rounds to 9.8% decrease

a scholar raises her grade from a 75 to a 90since it is going from a smaller amount to an even bigger amount, u have an increasepercent enhance = (90 75) / 70* 100 =15/70* 100 = 0.2142 * 100 = 21.42 rounds to 21.4% enhance 36.50 on sale for 32.12as a result of it goes from an even bigger amount to a smaller amount, u have a decreasepercent decrease = (genuine amount new amount) / genuine * 100 = (36.50 32.12) / 32.12* 100 = 4.38 / 32.12* 100 = 0.1363* 100 = 13.63 rounds to 13.6% decrease 23.5 to 21.2this is a decreasepercent decrease = (genuine amount new amount) / genuine* 100 = (23.5 21.2) / 23.5* 100 = 2.3 / 23.5* 100 = 0.0979 * 100 = 9.79 rounds to 9.8% decrease

a scholar raises her grade from a 75 to a 90since it is going from a smaller amount to an even bigger amount, u have an increasepercent enhance = (90 75) / 70* 100 =15/70* 100 = 0.2142 * 100 = 21.42 rounds to 21.4% enhance 36.50 on sale for 32.12as a result of it goes from an even bigger amount to a smaller amount, u have a decreasepercent decrease = (genuine amount new amount) / genuine * 100 = (36.50 32.12) / 32.12* 100 = 4.38 / 32.12* 100 = 0.1363* 100 = 13.63 rounds to 13.6% decrease 23.5 to 21.2this is a decreasepercent decrease = (genuine amount new amount) / genuine* 100 = (23.5 21.2) / 23.5* 100 = 2.3 / 23.5* 100 = 0.0979 * 100 = 9.79 rounds to 9.8% decrease

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20% Clarification: 20% is the correct reply because of: (new grade earlier grade) / earlier grade and all of the issues well multiply with your complete amount, 100% and that is really: 90-75 = 15 15 / 75 = 0,2 0,2 x 100% = 20 %