Lindsey was solving a problem, her work is shown below: 3n−5=−8(6+5n)
Step 1: 3n−5=−48−40n
Step 2: 3n=−53−40n
Step 3: 43n=−53
Step 4: n=−1.233

On which step did Lindsey make a mistake?

Jessica is organizing a guided tour of the rain forest. the average profit per person that the touring company makes is given by the rational expression 18x+35/x, where x is the number of people going on the tour. what does the numerator of this rational expression represents?