write and solve a compound inequality that represents each situation. Graph your

write and solve a compound inequality that represents each situation. Graph your solution.1. The crowd that heard the President speak was estimated to be 10000 people. The actual crowd could be 750 people more or less than this. What are the possible varibles for the actual crowd size?2. Carmen works in a sporting goods store. Her goal is to sell between $500 and $600 worth of sporting equipment every week. So far this week she has sold $395 worth of equipment. During the rest of the week what dollar amount must Carmen sell in order to reach her goal?could someone plz explain this stuff to me