If you started at the prime meridian on the equator and traveled 690 miles to the east and then turned around and traveled 207 miles to the west at what line of longitude would you be?

If I started at the prime meridian on the equator and traveled 690 miles to the east, then turned around and traveled 207 miles to the west than the line of longitude will be 90 degrees East.

Explanation:

Prime meridian starts off at an angle of zero degrees, and there being total of 360 degrees, which gets divided into 180 degrees on west and east.

Then the number formed will be of 90 degrees.

S if travels or moved to east direction away from prime meridian we get the value of 90-degree East longitude.

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