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Mathematics, 30.06.2019 23:30 21580

Ahot air ballon was 240 ft above the ground. it decreased its altitude by 6 1/2 for per min for 15 min, and then increased its altitude by 9 ft. what was the balloons overall change in altitude ( use the words decrease or increase in your answer)? part a write an expression to model the situation. part b what’s the answer plz i will give you 100 points

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Ahot air ballon was 240 ft above the ground. it decreased its altitude by 6 1/2 for per min for 15 m...
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