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
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?
2 answers
Thank you Steve