Jack earns $ 100 on the first day, $ 60 on the second day, $ 150 on the third day, $ 80 on the fourth day and $ 90 on the fifth day. What was his average earnings?

Can anyone me with 32,33,36,37,and 40.

(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 .

What expression is equivalent to 42x-56y