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20. pump a can fill a tank of water in 4 hours. pump b can fill the same tank in 6 hours. both pumps are started at 8: 00 a. m. to fill the same empty tank. an hour later, pump b breaks down and took one hour to repair and was restarted again. when will the tank be full? (round your answer to the nearest minute).
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At the school fair, grade 3 raises 84 more then grade 4. grade 4 raises 112 more then grade 2. grade 3 raises 360. how many dollars does grade.2 have
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5. (04.07)which of the following exponential functions goes through the points (1, 12) and (2, 36)? (2 points)f(x) = 3(4)^xf(x) = 4(3)^-xf(x) = 3(4)^-xf(x) = 4(3)^x
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20. pump a can fill a tank of water in 4 hours. pump b can fill the same tank in 6 hours. both pumps...
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