In a hostel 50 students has food enough for 54 days .how many students should be added in hostel so that food is enough for only 45 days

How do you convert 1.27 to a percentage

If cos(2x) = tan^2(y), show that cos(2y) = tan^2(x).

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.