V. Analyze and solve the following mathematical word problem, bytranslating the word problem into Mathematical sentence. (10pts)
1. The class was required to draw a plan for the foundationday. Mary and Tess were assigned to draw buildings. Mary drawbuildings twice as much as Tess. If the total number of buildingsis 99, how many buildings were drawn by Mary and Tess?
2. A student used five pounds of steels, if two pounds of steelswere left, how many pounds of steels were bought?