SOLUTION: ratio off A'S age to B's age is equal to 4:3. A will be 26 years old after 6 years. how old is B now? a)15 years b)16 years c)17 years

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Question 694491: ratio off A'S age to B's age is equal to 4:3. A will be 26 years old after 6 years. how old is B now?
a)15 years
b)16 years
c)17 years
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
(1) +A%2FB+=+4%2F3+
(2) +A+%2B+6+=+26+
-----------------
Multiply both sides of (1) by +3B+
(1) +3A+=+4B+
and
(2) +A+=+20+
Substitute (2) into (1)
(1) +3%2A20+=+4B+
(1) +4B+=+60+
(1) +B+=+15+
The choice is (a)