Atrain left a station at noon going at 40 mph. a second train left at 3 p. m. going in the same direction at 60 mph. at what time will the second train catch up with the first?

(least common multiples) the answer that i had in the 1st step was lcm of airline tickets sold=72. idk if that even matters but just in case. ! three co-workers are busy selling airline tickets over the phone. in an 8-hour day, charles can sell 8 airline tickets, ann can sell 9 airline tickets, and michelle can sell 6 airline tickets. step 2 of 2: what is the smallest number of 8-hour days needed for each of them to achieve the same number of sales? it takes charles . it takes . it takes .

Ineed with number 6 , explain how to get 1978

Which graph represents the equation y =4x