Peco says that the solution to 5 time take away 1 equal 9 is x equal 4 do you agree explain

Bradley hikes 12 miles in 3 hours. in relation to bradley’s hike, which statement describes the expression

When the ball has traveled a distance of

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