SOLUTION: The amount of oil used by a ship traveling at a uniform speed varies jointly with the distance and the square of the speed. The ship uses 30 barrels of oil in traveling 85 miles at
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Question 1112999: The amount of oil used by a ship traveling at a uniform speed varies jointly with the distance and the square of the speed. The ship uses 30 barrels of oil in traveling 85 miles at 42 mi/h. How many barrels of oil are used when the ship travels 26 miles at 54 mi/h? Round your answer to the nearest tenth of a barrel, if necessary.
Answer by josgarithmetic(39630) (Show Source): You can put this solution on YOUR website!
v, barrels oil
r, speed
d, distance miles
k, constant
For the question, substitute r=54 and d=26 and evaluate v.
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