Answer:
20 miles
Step-by-step explanation:
b
X = 11
Complementary angles
Complementary angles are when two angles add up to 90 degrees.
3x + 10 + 47 = 90
3x + 10 = 43
3x = 33
x = 11
answer is 10
80x2=160 20x3=60 160+60=220