09. A submarine was situated 450 feet below the sea level. If it descends at the rate of 8 feet per
minute, what will its position be after 15 minutes?
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Answer:
570 feet
Step-by-step explanation:
After 15 mins, it will descend: 15*8= 120 feet
Thus, Its position after 15 mins will be: 450+120= 570 feet
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