Tom made an error when trying to determine the value of the expression. Here are the steps he used. Which step contains the first error that Tom made? LaTeX: \frac{2}{3}\left(\frac{3}{5}-\frac{ 3}{4}\right)+\frac{1}{2}\div\frac{1 }{4}

(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 .

When 142 is added to a number the result is 64 more times the number my options are 35 37 39 41

Afarmer has a large field that is x feet in length. he wants to fence in a rectangular section in the middle of the field , leaving a length of 100 feet of open field behind each end of the fenced rectangle.he also wants the width of the fenced-in space to be 100 feet less than its length. find the expressions to represent the length and width of the fenced section of the field