Veritas Prep
In a certain store, the ratio of part-time workers to full-time workers is \(2\) to \(5\). If \(4\) part-time workers were hired, then the ratio would be \(3\) to \(5\). How many workers does the store have?
A) \(11\)
B) \(12\)
C) \(21\)
D) \(28\)
E) \(35\)
OA D