Longitudes cannot be N or S so it must be 30 E.
They're labeled E (or W) to show that they're (E)ast or (W)est of the prime meridian (which is the line of longitude passing through Greenwich Observatory near London). 15 degrees East and 15 degrees West are the same distance from the prime meridian, but in opposite directions.
20! = 2.432902008176 E+18
According to Google Maps, 15N 60E is in the Arabian Sea
If she paid 'e' dollars after a 20% discount, it means she paid only 80% of the original cost. To calculate the original, we divide by that. e/0.80 = 1.25e.
Indian Ocean
Latitude: 10°20′S to 27°SLongitude: 30°10′E to 40°10′E
Greece
That point is on the Indian subcontinent, a part of Asia, about 220 miles northwest of Bangalore.
Africa is located at latitude 20°E and longitude 20°N.
The latitude of Mauritius is approximately 20.348404° S, and the longitude is around 57.552152° E.
Greece
No, neither of those does.
Longitude of Belgrade: 20°27′44″E
40 degrees North intersects with 20 degrees East in Albania. It is about 20 miles from the Albanian border with Greece.
Approximate latitude: 28°30′N to 37°25′N Approximate longitude: 38°40′E to 48°40′E
The country located at latitude 20°N and longitude 80°E is India.