The Smith family has three children: Tom, John, and Andy. Tom is younger than Andy. John is not older than Tom. From youngest to oldest, how are the children ordered by age?

Question

Mathematics

Kianna Charles

5 May, 06:59

The Smith family has three children: Tom, John, and Andy. Tom is younger than Andy. John is not older than Tom. From youngest to oldest, how are the children ordered by age?

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Answers (1)

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Brice Mcdonald · Answer 1

Age of tom=t

age of john=j

age of andy=a

t
if j is not older than t, then he is less than or equal to t so

j ≤ t

but there is an oldest so therefor we assume that j < t

t < a

j < t

subsitute

j
andy is oldest

tom is second

john is youngest