Respuesta :

Answer:

780 students

Step-by-step explanation:

Take 40% as 0.4

Then do 312÷0.4= 780 students

Answer: 780

Step-by-step explanation:

Let x be total of the students in the school.

Then ,this X is equivalent to 100%

So, 40=312 what about 100

This gives you 780

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