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13-05-2022
Mathematics

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6. Andy scored 90 on the last history exam. He scored 81 this time. By what percent did his score decrease?

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dedzoedennis dedzoedennis

13-05-2022

Answer:

His score decreased by 9 percent this time.

Step-by-step explanation:

From his first history exam he had a score of 90 percent. The difference between his first score and present score is given by

90 - 81 = 9

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