PLEASE HELP URGENT The sum of 3 numbers is 145. Seven times the second number is twice the first number and twice the second number is six times the third number.

Write the new ratio of the three numbers if the first number is decreased by 15 and the third number is increased by the same amount.

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.