SOLUTION: tyler is three-fourths of his broythers age. the sum of their ages is 21. how old is tyler?
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Question 330649: tyler is three-fourths of his broythers age. the sum of their ages is 21. how old is tyler?
Answer by JBarnum(2146) (Show Source): You can put this solution on YOUR website!
Tyler and Brother
T=(3/4)B
T+B=21
(3/4)B+B=21
(7/4)B=21
7B=84
B=84/7
B=12
T+B=21
T+12=21
T=9
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