In a transportion problem with 7 sources and 8 destinations, how many fixed requirement constraints will be needed? Number of fixed requirement constraints In a transportation problem with 5 sources and 3 destinations, how many shipping lanes will exist? Shipping lanes A plumbing repair company has 4 employees and must choose which of 4 jobs to assign each to (each employee is assigned to exactly one job and each job must have someone assigned). a. How many decision variables will the linear programming model include? Number of decision variables b. How many fixed requirement constraint will the linear programming model include? Number of fixed requirement constraints