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You pull out the plug from the bathtub. After 30 seconds, there are 13 gallons of water left in the tub. One minute after you pull the plug, there are 9 gallons left. Assume that the number of gallons varies linearly with the time since the plug was pulled. How many gallons of water were in the tub to begin with?
-PLEASE ANSWER ASAP-

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thinice99
There were 15 gallons of water to begin with. hope this helps

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