SOLUTION: You pull out the plug from the bathtub. After 30 seconds, there are 45 liters
of water left in the tub. One minute after you pull the plug, there are 37 liters left. Assume that
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of water left in the tub. One minute after you pull the plug, there are 37 liters left. Assume that
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Question 1176609: You pull out the plug from the bathtub. After 30 seconds, there are 45 liters
of water left in the tub. One minute after you pull the plug, there are 37 liters left. Assume that the number of liters has a linear relationship with the time since the plug was pulled. At what time will there be 26 liters of water left in the tub? Answer by ewatrrr(24785) (Show Source):
Hi
(30, 45)
(60, 37) m = 8/-30 = -4/15
y = (-4/15)t + 53L | 45L + 8L = 53L initial water in tub
26L = (-4/15)t + 53L
-27(-15/4) = t = 405/4 = 101.25 seconds
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