Respuesta :
Answer:
50
Step-by-step explanation:
undo in reverse order
subtract 15 from 115 and divide the answer in half
hope this helps!
Answer:
Step-by-step explanation:
Huilan is 15 years older than Thomas. The sum of their ages is 115 . What is Thomas's age?
115 - 15 = 100
100 : 2 = 50 (huilan)
50 + 15 = 65 (Thomas)
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50 + 65 = 115
65 - 50 = 15
the answer is good