An oil company fills 1/12 of a tank in 1/3 hour. at this rate, which expression can be used to determine how long it will take for the tank to fill

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Bobby bought 1.12 pounds of turkey at a cost of 2.50 per pound. carla bought 1.4 pounds of turkey at a cost of 2.20 per pound. who spent more and by much?

Which inequality is equivalent to -3x < -12? x < 4 , x < -4 , x > 4, x > -4