Six years ago I was three times as old as my brother, and now I am twice as old my brother. Find my brother's age.
Choose the most appropriate option.
A) 8 years
B) 24 years
C) 12 years
D) 16 years
E) 26 years
Let brother's age = x   And my age = 2x   6 years ago:   24 yearsrother age = x-6   My age = 2x-6   I was 3 time his age then,   2x-6 = 3(x-6)   2x-6 = 3x-18   3x-2x = 18-6= 
<gadget id="calculator">18-6</gadget>
<output>12</output>
12   24 yearsrother's age= 12years   My age now = 2x   = 2(12)   = 24years   ANSWER:24 years
<result>B</result>
Six years ago I was three times as old as my brother, and now I am twice as old my brother. Find my brother's age.