Read the problem below and find the solution. Use a model or act the
problem out to help solve it.
Holly's Bike Shop sells bicycles and tricycles. Holly wants to know how many
bicycles she has in her store. She asks an employee to count for her. The
employee counts them and says, "There is a total of 15 bicycles and tricycles
in the store. The total number of wheels in the store is 36." How many
bicycles are in the store?