The city highway department bought 3/4 tons of salt to put on roads when it snows. they have used 2/7 of the salt. how many tons has the city highway department used? put your answer in lowest terms. a. 3/4 b. 5/28 c. 5/14 d. 13/28

(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 .