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John painted one side of a door with an area of 2880 in.² in 1 1/2 hours what is the speed in square inches per hour at which John painted the door
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John painted one side of a door with an area of 2880 in.² in 1 1/2 hours what is the speed in square inches per hour at which John painted the door

User Andrew Straw
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Okay. 1 1/2 is equivalent to 1.5. To find the speed per hour, all we have to do is division. 2,880/1.5 is 1,920. John is painting the door at a speed of 1,920 square inches per hour.
User Ahmed Siouani
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