A rectangular picture, composed of a photograph surrounded by a wood frame, is being hung in the center of a 48 inch wall. The wood frame itself is 1 7/8 inches wide on all sides. Although the length of the horizontal base of the frame is unknown, the area of the entire picture is 155 1/4 square inches, and the vertical height of the frame is 13 1/2 inches.

Please just help with the 2nd, 3rd, and 4th question. It’d be greatly appreciated!

(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 .