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Barry is 6 yrs old.Larry is twice as old as Barry.Terry is the same number of years older than Barry as he is younger than Larry.How many years old is Terry?
10 years ago

Answers

Steve
just put the words into symbols:

B = 6
L = 2B
T-B = L-T

now start substituting
B=6, so

L=12
T-6 = L-T

Now we know that L=12, so

T-6 = 12-T
2T = 18
T = 9
10 years ago
Bob
Thank you Steve
10 years ago

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