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17 Apr 2020
Oil leaked from a tank at a rate of
liters per hour. The rate decreased as time passed and values of the rate at two-hour time intervals are shown in the table. Find lower and upper estimates for the total amount of oil that leaked out.
![](data:image/png;base64,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)
Oil leaked from a tank at a rate of liters per hour. The rate decreased as time passed and values of the rate at two-hour time intervals are shown in the table. Find lower and upper estimates for the total amount of oil that leaked out.
Bunny GreenfelderLv2
26 May 2020