An episode of a television show is 60 minutes long when it originally airs with commercials. On a DVD without commercials, the e
pisode is only 41 1/2 minutes long. How many 1/2-minute commercials did the episode include when it originally aired? Write and solve an equation to justify your answer.
You first identify what supplementary angles are,angles that add up to 180. 5x+2+8x+9=180 17x+11=180-11 17x=169 x=169divided by 17 x=9.9411 x=10 when rounded into the next value 8x*10=80+989