Four years ago, the ratio of A's age to B's age was 11:14 and four years later their ages will be in the ratio 13:16. The present age of A is?
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answer is 48 yrs
Step-by-step explanation:
LET THE AGE OF A AND B 4 YEARS AGO BE 11x and 14x YEARS RESPECTIVELY.
BTP
11x+8/14x+8=13/6
176x+128=182x+104(cross multiplication)
182x-176x=128-104
6x=24
x=4
A's present age=11x+4=11*4+4=44+4=48yrs
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