That's the Laccadive Sea, part of the Indian Ocean, off the southwest coast of Sri Lanka.
Colombo, Sri Lanka (approximately)
6N 123E is in the Moro Gulf, south of the island of Mindanao in the Philippine Islands. The nearest city is Zamboanga.
40 N 80 E is in China.
The coordinates 6N 3E are in the Atlantic Ocean, about 35 miles southwest of Lagos, Nigeria.
That's the Laccadive Sea, part of the Indian Ocean, off the southwest coast of Sri Lanka.
rio
130 miles on I-80E.
Colombo, Sri Lanka (approximately)
6n+5 = 11
-5=6n+7 -5-7=6n+7-7 -12=6n -12/6=6n/6 -2=n
6n-1 = 5
6n-15 = -9
6n-1248 = -1242
Using I-80E it is 206 miles or If you use I-80E and US-50E it is 215 miles.
5n + 6n - 2n
6n + 5n is 11n.