You turn the decimal into a percent
120 degrees because the sum of the interior angles is 720 degrees and 720 / 6 = 120
TRUE...................................................................
Answer: 9/7 or 1.3 (rounded)
reasoning: -2 + 7x/9 = -1
7x/9 = 1
7x = 9
x = 9/7, or 1.3 (assuming they allow you to round to the nearest tenth)
