Question 185652: If one-fifth of the oil flows out every hour and 50,000 imperial gallons remain in the tank after 3 hours, how much will be in the tank after 10 hours?
I solved this problem by taking the formula (x-.20x)= y and performing it seven times, for the answer 10,485.76 gallons. However, how do you make the equation simpler using roots and rational exponents?
Answer by Alan3354(69443)   (Show Source):
You can put this solution on YOUR website! If one-fifth of the oil flows out every hour and 50,000 imperial gallons remain in the tank after 3 hours, how much will be in the tank after 10 hours?
I solved this problem by taking the formula (x-.20x)= y and performing it seven times, for the answer 10,485.76 gallons. However, how do you make the equation simpler using roots and rational exponents?
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Use 50000*0.8^7 = 10485.76
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