I think the answer might be b
Since the sum of the angles of a triangle = 180°
Then <span>80º + (2x + 2)º + 5xº = 180</span>°
82° + (7x)° = 180°
(7x)° = 180° - 82°
x = 98° ÷ 7
∴ x = 14
The correct answer is 1 mm Hg per year.
3750(0.20)=$750
1/5 as a percent is 20% and as a fraction it is 0.20
