In the office supply store, Brittany bought 17 pens of three kinds: ball pens, gel pens, and ink pens, which cost $0.05, $0.10 and $0.25 each. The total that Brittany paid was $2.05. If Brittany bought twice as many gel pens as ink pens, how many ball pens did she buy?

A. 4

B. 5

C. 7

D. 8

E. 10

_________________

My First Blog on my GMAT Journey

Arise, Awake and Stop not till the goal is reached