Respuesta :

Answer:

12 + 13 + a = 40

if you need to find out A you would add 13 and 12 then do 40 - 25 to find a

Answer:

2 + 13 + A = 40

Step-by-step explanation:if you need to find out the letter A you would add 13 and 12 then do 40 - 25 to find the letter A