2x + 1.5x +20 = 90
3.5 x = 90-20
3.5 x = 70
x = 70/3.5
x = 20
angle DAE = 2*20 = 40
angle CAD = 1.5*20 +20 = 50
Answer:
m = 300
Step-by-step explanation:

multiply both sides of the equation by 5

Answer:
266 miles
Step-by-step explanation:
You need to divide 70 by 2.5 equals 28. Than you need to times that by 9.5.
Answer:
The answer is B) 200mm. Check the image for the workings