An investor invested a total of $2100 in two mutual funds. One fund earned a 9% profit while the other earned a 6% profit. If the investor's total profit was $138, how much was invested in each mutual fund?

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.