Kristin jogs around a park that has a perimeter of 1/2 mile. kristin jogged around the park 4 times in 50 minutes. what is the unit rate of kristin's speed? answer choices

An episode of a television show is 60 minutes long when it originally airs with commercials. on a dvd without commercials, the episode is only 417 minutes long. how many1-minute commercials did the episode include when it originally aired? write and solve an equation to justify your answer.

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Use the distributive property -7(-2x+u-2)