Respuesta :

20 student is 100% so is you divide on 50% half is 10 student so each 10% is 2 students so 40%X2 is 8 students
NxB

Answer:

8  students

Step-by-step explanation:

20 = 100%

?    =  40%

20 x .4 = 8

give me brainliest pls :)

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