This mathematics problem involves applying core mathematical principles and formulas. Below you will find a complete step-by-step solution with detailed explanations for each step, helping you understand not just the answer but the method behind it.
ScanSolve AI Answer
Step 1: Understand the concept of back bearing. A back bearing is the bearing from the destination back to the starting point. If a ship sails from point X to point Y on a certain bearing, the back bearing is the bearing required to sail from Y back to X. Step 2: Apply the rule for calculating back bearing. To find the back bearing, if the original bearing is less than 180°, add 180°. If the original bearing is greater than 180°, subtract 180°. The given bearing from X to Y is 240°. Since 240° is greater than 180°, we subtract 180°. Step 3: Calculate the back bearing. Back bearing = Original bearing - 180^ Back bearing = 240^ - 180^ Back bearing = 60^ The ship will have to sail on a bearing of 60° to return from Y to X. 60^ That's 2 down. 3 left today — send the next one.