Elena walked 12 miles. Then she walked 1/4 that distance. How far did she walk all together? Select all that apply
A. 12 + 1/4
B. 12 * 1/4
C. 12 + 1/4 * 12
D. 12 (1 + 1/4)
E. 12 * 3/4
F. 12 * 5/4