Megan63738
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A student raises her grade average from a 75 to a 90. What was the percent of increase in the
student's grade average? Round your answer to the nearest tenth of a percent if necessary

Respuesta :

aozorarose

Answer: 20%

Explanation:

20% is the correct answer because:

(new grade - old grade) / old grade and everything we will multiply with the whole number, 100% and that is actually:

90-75 = 15

15 / 75 = 0,2

0,2 x 100% = 20 %

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