Question

Alfonso is 8 years older than Ashley. Five years ago Alfonso was three times as old as Ashley. How old is Ashley now?

Answer 1

Al = As + 8
(Al-5) = 3(As-5)
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Substitute for Al and solve for Ashley's age.


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((As+8)-5) = 3As - 15
As+3 = 3As - 15
2As = 18
Ashley = 9 yrs old

Answer 2

Let's call Alfonso's age x, and Ashley's age y. Right now, x=y+8, from the first given. The second given provides us with x-5=3(y-5). Simplify that to x=3y-10, and subtitute, y+8=3y-10, 2y=18, y=9.

Answer 3

letx = Ashley

letx + 8 = Alofoso

x + x + 8 = 3x + 5

so Ashley was 9 yrs old.

Answer 4

thankyou