Respuesta :
Answer: 3
We can find 10% by dividing the number of students by 10.
10/10 = 1
We need to work out 30%, and we already have 10% so we just multiply 10% by 3.
1 x 3 = 3
So 30% = 3
Therefore, 3 students retuned their calculator at the end of class.
We can find 10% by dividing the number of students by 10.
10/10 = 1
We need to work out 30%, and we already have 10% so we just multiply 10% by 3.
1 x 3 = 3
So 30% = 3
Therefore, 3 students retuned their calculator at the end of class.