1. The ratio of girls to boys in a classroom is 8:13. Find how many are there of each gender if there are 63 students inside the room. 2. The ratio of two supplementary angles is 4:5. What is the measure of the larger angle? 3. A 40-m electric wire is to be cut into two segments whose ratio is 3:5. What are the lengths of the two cut electric wires? 4. One piece of pipe 21 meters long is to be cut into two pieces, with the lengths of the pieces being in a 2:5 ratio. What are the lengths of the pieces? 5. Ben traveled a total of 96 km using 3 liters of premium unleaded gasoline. How many liters did she used in traveling a distance of 64 km?
