Zoe rode her bike 68 miles in the last month. This is 4 times as many miles as Alana rode. How many miles, m, did Alana ride? Select the true sentence. A. 68 × 4 = 272 ; m=272 B. 68 ÷ 4 = 17 ; m=17 C. 68 + 4 = 72 ; m=72 D. 68 − 4 = 64 ; m=64