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15 votes
15 votes
Susan made a 91 on her first history test she felt good and didn't feel like she needed to study on the second test she made a 70 Susan score decreased by what percent

User Grc
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1 Answer

28 votes
28 votes

The score on the first test was 91 and the score on the second test was 70. This means that the decrease in her score was

91 - 70 = 21

Percentage is expressed in terms of 100. Thus, the precentage decrease in her score is expressed as

decrease/original score * 100

= 21/91 * 100

= 23.1 %

User ICaramba
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