Abaker made 60 muffins by noon 45% of the muffins are sold. how many muffins were sold by noon

Here, we have to find 45% of the total muffins. So, you multiply:
0.45 x 60 = 27
27 muffins were sold by noon.

Urban growth invariably feeds increased commercialization and industrialization. it requires continually expanding land areas. when urbanization rates are high, and countries do not have the institutional and managerial capacities or economic wherewithal to manage such rapid growths, they exert intense pressure on the types and nature of the resulting settlements. they contribute to the development of overcrowded slums and shanty towns without adequate essential services and necessary infrastructure.-by asit k. biswas and cecilia tortajada