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62. Sarah walked at a speed of 3 miles per hour. Beneta rode her bicycle at a speed of 9 miles per hour. They both traveled the same distance, but it took Sarah 4 more hours than it took Beneta. How many hours did it take Beneta?
64. Jan sets up tables and chairs for meetings. When she sets up 12 tables, she places 6 chairs at each table. Jan always sets up the same total number of chairs. When she sets up 8 tables, what is the number of chairs that she places at each table?
65. Marcos has two cubes of different sizes. The length of each edge of the larger cube is 2 times the length of each edge of the smaller cube. The volume of the larger cube is how many times the volume of the smaller cube?
