10 years ago the age of a and b were in the ratio of 13:17. 17 years from now the ratio of then ages will be 10:11. What is the age of b at present?
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Answer:
27yr
Step-by-step explanation:
Let the ages of A and B 10 yr before were 13x yr and 17x yr, respectively.
Then, present age of A = 13x + 10 and present age of B = 17x + 10
According to the question,
13x+10+1717x+10+17=1011
13x+2717x+27=1011
Hence, present age of B = 17 x 1 + 10 = 27yr
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