Select the correct answer. Which expression is equivalent to 2V2548 . 4V6y3, if y > 02
O A. 1445/6y2
O B. 1772V6y5
OC. 842 1507
OD. 4075/6y

Expresa commuter train leaves downtown sation and travels at a average speed of 55 miles per hour towards the north side sation, which is 50miles away. thirty minutes later, express commuter train #7 leaves north side and travels at a average speed of 35miles per hour towards downtown sation. at the moment the two trains pass each other, how far(in miles) is train #12 from the downtown sation and how long(in minutes) has the #12 train been traveling