Respuesta :
Answer:
30
Explanation:
20+20 gives you 40. Subtract 40 from 10 and it gives you 30.
Answer:
25 and 15
Explanation:
From the use of trial and error
25 + 15 = 40
25 - 15 = 10
Answer:
30
Explanation:
20+20 gives you 40. Subtract 40 from 10 and it gives you 30.
Answer:
25 and 15
Explanation:
From the use of trial and error
25 + 15 = 40
25 - 15 = 10