Asked by Hera
Johnny is one-third old as his sister, Mary, and 8 years younger than his brother Logan. The sum of their ages is 38 years old. How old is Johnny?
Answers
Answered by
Reiny
Johnny' age ---- x
Mary's age ----- 3x , (x is one third of 3x)
logan ---- x+8
x + 3x + x+8 = 38
solve for x
Mary's age ----- 3x , (x is one third of 3x)
logan ---- x+8
x + 3x + x+8 = 38
solve for x
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