si la longitud de la escalera es de 10 m y la distancia de la base de apoyo a la pared es de 6m cual es la longitud de la pared
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Answer: 9 years
Step-by-step explanation:
Let the present age of Ashley be x.
Then the present age of Alfonso =x+8
Five years ago,
Ashley's age = x-5
Alfonso's age = x+8-5 = x+3
According to the question,
Hence, the present age of Ashley =9 years