Anna begins jogging at a steady 3 m/sec down the middle of lane one of a straight track. Elsa starts even with her in the center of lane two but moves at 5 m/sec. At the instant they begin, Olaf is located 45 meters down the track in lane four, and is heading towards them in his lane at 6 m/sec. After how many seconds will the runners lie in a straight line?

english, cause i can’t you

answer

step-by-step explanation:

you should talk someone who owns the website about it. you did not deserve to have all that hard work and time taken away. id watch videos of little puppies to cool you down, and maybe some nacho cheese doritos.

the answer is "add 2y and y"

step-by-step explanation:

you need to collect the like terms first.