Which sentence could be used to describe the equation 105=78+y? the sum of 78 and a number is 105. the number 105 is more than 78. the sum of 105 and 78 is a number. seventy-eight is more than the number one hundred five.

Which equation results from adding the equations in this system? x+6y=9 and -x+2y=-15

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.

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