SOLUTION: An unmanned research submarine desecends to 150 feet below the surface of the ocean. Then it continues to go deeper, taking a water sample every 25 feet. What is the depth when it

Question 705764: An unmanned research submarine desecends to 150 feet below the surface of the ocean. Then it continues to go deeper, taking a water sample every 25 feet. What is the depth when it takes the 15th sample?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
An unmanned research submarine desecends to 150 feet below the surface of the ocean. Then it continues to go deeper, taking a water sample every 25 feet. What is the depth when it takes the 15th sample?
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Equation:
depth = 150 + 25x
d(15) = 150 + 25*15 = 525 ft
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Cheers,
Stan H.
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