Answer:
The correct answer is 90-degree East longitude
Step-by-step explanation:
Let us recall from the questions given as:
From the east you travel about = 690 miles
From the west you travel about = 207 miles,
We solve for the line of longitude,
At an angle of zero degrees The prime meridian begins , and the total degrees is 360, and when divided it gives you 180 degrees on the east and west respectively.
Then.
The longitude of number given is of 90 degrees.
Therefore, if you travel to the direction east away from prime meridian we have the value of 90-degree East longitude.