princessluna450 princessluna450

23-09-2014
Mathematics

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a hot air balloon leaves the ground and ascends at a rate of 6 feet per second for 3 min. then it descends at a rate of 3 feet per second for 2 min. finnally, it ascends at a rate of 4 feet per second of 5 min. how far above the ground is the balloon now?

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23-09-2014

basically it's (6 x 180) - (3 x 120) + (4 x 300)

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