Dave receives 10% commission on his first $5000 in sales and receives 20% commission on any sales beyond the first $5000. If Dave sells $7000 this month, what will Dave's commission be for the month?

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.

Find the maximum value of p= 4x + 5y subject to the following constraints :

In a sale there is 25% of all prices a chair costs £45 in sale how much was it before the sale