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Solve the given system of equations. 2y= -x+9 , 3x-6= -15

If olu is twice as old as funmi if the sum of their ages is 60 how old is olu

Arestaurant charges $100 to rent its banquet room for an event. it also charges $15 to serve dinner to each guest. write an equation for the total cost of the banquet room in terms of the number of guests. deine your variables. what is the total cost of the banquet room for 20 guests?