The total money collected if the cost to go on the trip is 20 for each student what is an equation to represent this

The value √10 and √15 are plotted on the number line

Any is very appreciated! (picture is provided below)not sure how to do this at all won't lie

Tom is the deli manager at a grocery store. he needs to schedule employee to staff the deli department for no more that 260 person-hours per week. tom has one part-time employee who works 20 person-hours per week. each full-time employee works 40 person-hours per week. write and inequality to determine n, the number of full-time employees tom may schedule, so that his employees work on more than 260 person-hours per week. graph the solution set to this inequality.