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One foot is 12 inches. So we multiply 2400 by 12.
The answer is 28800. When you do these type of problems, make sure the units cancel out.
For example 2400 feet x 12 inches/1 foot. See how the feet unit in 2400 cancels with the foot in the denominator of 12/1. You must always have this.
I mention this because then you will know if you need to divide or multiply. Just do whatever you need to cancel the units.

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15y ago

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