Question:
A ferry can travel twice as fast when empty as when it is full. It travels 20 miles with full load, spends 1 hours for unloading & returns to its original port empty. It took 11 hours to complete the journey. What is the speed when the ferry is empty?
6 | |
6 | |
4 | |
5 | |
4.5 |
Answer:
6
Last Updated:
08/11/2021 - 03:31