Bradley owns b video game cartridges. If Bradley’s total is one-fifth the total owned by Andrew and four times the total owned by Charlie, how many video game cartridges do the three of them own altogether, in terms of b?	Choose the correct option:
A) 16b / 3	B) 17b / 4	C) 13b / 4	D) 19b / 12	E) 25b / 4
b = Bradley’s total   5b = Andrew’s total   b/4 = Charlie’s total   The total number of cartridges is:   b + 5b+ b/4 = (4b + 20b + b) / 4 = 25b / 4   The answer is 25b / 4.
<result>E</result>
Bradley owns b video game cartridges. If Bradley’s total is one-fifth the total owned by Andrew and four times the total owned by Charlie, how many video game cartridges do the three of them own altogether, in terms of b?