Respuesta :
Answer:
4
Step-by-step explanation:
if it was 10 students then it wouldve would have been 2 but it is 20 which is twice that of 10 so 2 times 2 is 4
Answer:
4
Step-by-step explanation:
if it was 10 students then it wouldve would have been 2 but it is 20 which is twice that of 10 so 2 times 2 is 4