Present age of A is equal to B's age 8 years ago. 4 years hence, respective ratio between A's age & B's age will be 4:5 at that time what is the A's present ag
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Step-by-step explanation:
A's age = 10x years
B's age = 3x years
A's present age = (10 + 4) years
B's present age = (3x + 4) years
According to the question.
10x+4+82=(3x+4+8) = -2
=> 3x+12−(5x+6)=2
=> 3x + 12 - 5x - 6 = 2
=> 6 - 2x = 2
=> 2x = 6 - 2 = 4
=> x = 2
Therefore, B's present age = 3x+ 4
= 3×5+4 = 10 years
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