A store is advertising 3 boxes of cereal for $1.95 each. What expression would be used to find how much 3 boxes cost?
A. 3x2 - 3 * 0.50
B. 3* 2 - 3 0.05
C. 3x2 + 3x0.05
D. 3*2 + 3 * 0.50