Respuesta :

esraax
6 months

step by step explanation:

3 erasers in the month: 3*1=3

number of months: erasers / erasers per month = 18/3 = 6 months

Answer:

The answer is 9 months

Because:

3 erasers for each month: 3 * 1 = 3 right?

Well then you divide the number of months: erasers by the erasers per month:

18/3 = 9 months