# math

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a student earned a grade of 80% on a math test that had 20 problems. How many problems on this test did the student answer correctly?

• math -

0.8 * 20 = ?

• math -

16

• math -

20 x .80 = 16 problems correctly answered

• math -

6000

• math -

16

• math -

20x.8= 16

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