Which inequality represents the statement below?
the sum of a number and 6.4 is less than 9.9.
a. x+9.9 < 6.4
b. x+6.4 < 9.9
c.
x+9.9> 6.4
d.
x + 6.4 > 9.9

(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 .