Answer:
551
Step-by-step explanation:
(111 * 5) - 4
555-4
551
Answer: 18.
Explanation: Make a table of the multiples of 9 and 6. You will see that the lowest multiple they share is 18. This would mean 5/6 is now 15/18 and 7/9 is now 14/18
The third angle: 180° - 90° - 51.5° = 48.5°