The cost of a field trip is 64+14n, where n is the number of people attending. what is the cost for 48 people?

Steve wants to develop a way to find the total cost of any item including sales tax. the sales tax in his city is 6%. his friend jenna writes the expression x + 6x where x is the cost of the item. explain whether her expression is correct based on the situation.

Can someone me and plz do the problem

Kira looked through online census information to determine the overage number of people living in the homes in her city what is true about kira's data collection?