I think the answer is B. People concerned about the environment are likely to buy eco-cars. This may or may not be the correct answer. I think I got this wrong. Sorry if the answer isn't correct.
Answer:
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Explanation:
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so the answer is 15°
the circle is 360°
one green angle is 50°
so 4 green angles equals 200°
so 360 minus 200 equals 60.
so 60° angle. and as a result the rest of the angles are 60° of the circle. and so each of the angles are... 15° if the 60 is divided by 4.