Respuesta :
Answer:
The sum of 15+9+12 is 36
Step-by-step explanation:
when adding 15 and 12 you get 27 as the sum. so adding 9 to 27 gets you 36.
Answer:
The sum of 15+9+12 is 36
Step-by-step explanation:
when adding 15 and 12 you get 27 as the sum. so adding 9 to 27 gets you 36.