waterboy32610 waterboy32610

18-12-2020
Mathematics

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A student earned a grade of 70% on a math test that had 20 problems. How many problems on this test did the student answer correctly?

Respuesta :

sqdancefan sqdancefan

20-12-2020

9514 1404 393

Answer:

14

Step-by-step explanation:

Assuming the grade is proportional to the number of problems answered, we have ...

a/20 = 70/100

a = 20(0.70) = 14 . . . . multiply by 20

The student answered 14 problems correctly.

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