Asked by Bob

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?

Answers

Answered by 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
Answered by Bob
Thank you Steve
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