GmatKiss wrote:Bradley owns b video game cartridges. If Bradley's total is one-third the total
owned by Andrew and four times the total owned by Charlie, how many video
game cartirdges do the three of them own altogether, in terms of b?
(16/3)b
(17/4)b
(13/4)b
(19/12)b
(7/12)b
OA after sometime!
Let a = 12.
Then b = (1/3)*12 = 4.
Since Bradley owns 4 times the number owned by Charlie, c = 1.
Total = 12+4+1 = 17. This is our target.
Now we plug b=4 into the answers to see which yields our target of 17.
Only answer choice
B works:
(17/4)*4 = 17.
The correct answer is
B.
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