Lisa and Sarah left their homes at 7 pm and walked toward a park bench to meet. Lisa lives in 1950feet west of the bench and walks 310 feet per minute. Sarah lives 1500feet east of the bench and walks 300 feet per minute. Define a formula to express d, the distance in feet between Lisa and Sarah in terms of t, the number of minutes that have passed since 7 pm.
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Lisa and Sarah left their homes at 7 pm and walked toward a park bench to meet. Lisa lives in 1950feet west of the bench and walks 310 feet per minute. Sarah lives 1500feet east of the bench and walks 300 feet per minute.
Define a formula to express d, the distance in feet between Lisa and Sarah in terms of t, the number of minutes that have passed since 7 pm.
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