2 years ago

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

Mathematics

1 answer:

allsm [11]2 years ago

6 0

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

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