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Unformatted text preview: leaves at 8:15 at 40 mph in the opposite direction. In how many hours will the be 140 miles apart? Jeff can bike to work in hours. By bus the trip takes hours. If the bus travels 20 mph faster than Jeff rides his bike how far is it to his workplace. Mary begins jogging at 5am, averaging 3 mph. Joe leaves at 5:30am trying to catch up to Mary, averaging 5 mph. How long will it take Joe to catch up? 22) Sarah commutes to work by train. When she walks to the train, it takes her 40 min. When she rides her bike, it takes her 40 min. When she rides her bike, it takes her 12 min. Her average walking speed is 7 mph less than her average biking speed. Find the distance from Sarahs house to the train station. One angle in a triangle is 15 o larger than a second angle. The third angle is 25 o larger than twice the second angle. Find the measure of each angle....
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 Fall '11
 JanetFrewing
 Linear Equations, Equations

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