300 miles.
1 inch is 200 miles
half an inch is 100 miles
200 plus 100 equals 300 miles
Answer:

Step-by-step explanation:
Subtract the 4 from 9
Answer:
angle 1+angle 2 = 180 degrees
Step-by-step explanation:
when 2 angles are supplementary, they equal 180 degrees when they are added up. Because angles 1 and 2 are supplementary, this means that angle 1 + angle 2 equals 180 degrees.