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Bill is twice as old as his brother Dan. 12 years ago, Bill was eight times as old as Dan was. How old is Bill now?

 Feb 20, 2021
 #1
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b = bill now      = 2d        d = dan's age

2d-12 = 8 (d-12)     solve for dan's age

84 = 6d

d = 14      the    b = 2d = 28 y/o

 Feb 20, 2021

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