12 workers can do a peice of work in 20 days. How many workers should be added to complete work in 16 days?​

Graph the system: f(x)= 3/x-2; f(x)= 1/2x + 2

Identify the graph of y = ln x + 1.

(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 .