B dhs.3200
because 10% of 4000=400
20%=800
4000-800=3200
Answer:
2) 67.8°
3) 46.8°
4) 56.0°
Step-by-step explanation:
Use the right triangle trig functions
sine, cosine, or tangent and take the inverses to find the angle
Answer:
11 gallons of gas is needed to travel 231 miles.
Step-by-step explanation:
We can set up a proportion for this problem.
<em>For every 62 miles, you use 3 gallons of gas. </em>

Now, let's cross multiply.
≈ 
So, you will need about 11 gallons of gas to travel 231 miles.
The answer is d because 3x5=15