Acruise ship travels 1900 miles per trip. there are a total of 4 stops the ship makes, and the distance to the first stop is 460 miles. if the variable d stands for the distance left to travel after the first stop, which of the following units could apply to this variable? a. ships b. days c. stops d. miles

Christina can paint 420 square feet in 105 minutes. which unit rate describes the scenario?

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

Having a hard time understanding this question (see attachment).