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Q. A student earned a grade of 80% on a math test that had 30 problems. How manyProblems on this test did the students answer correctly

Sagot :

In order to calculate how many answers the student did correctly, we just need to find 80% of 30, that is, the product of 80% and 30.

Knowing that 80% corresponds to 0.8, we have:

[tex]80\text{\% of }30=0.8\cdot30=24[/tex]

So the students answered 24 questions correctly.