Answer:
B. 4 teachers : 25 students
Step-by-step explanation:
deberían ser 5 maestros o 20 estudiantes.
Step-by-step explanation:
Absolute value of a number gives the positive quantity of the number.
For instance,

From this example, therefore we know that

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In this question,






1/16 * 6 = 6/16 or reduced to 3/8
If it is the most common isotope and of Carbon and it is not an ion, you can conclude that it has 6 protons and 6 electrons.