The officer stepped off 20 paces from e to g. if his pace is 2 1/2 feet long. how wide was the river?

Can any one me with the answers to these questions asap?

(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 .

Ateacher noticed 5/8 of the students were wearing either blue shorts or white shorts. write two different ways this could be done.