There are 5280 feet in one mile and 12 inches per foot. Multiplying 5280 by 12 yields 63360 inches in one mile.
Since the question was how many in 3 miles we must multiply 63360 by 3 to get the final answer of 190080 inches in 3 miles.
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(1 foot) plus (3 inches) = 0.000236742424 miles
There are 190,080 inches in 3 miles. There are 63,360 inches in 1 mile. One mile equals 5280 feet, which is 63,360 inches. Multiply the number of inches in one mile by 3 to find the number of inches in 3 miles.
Three inches is 0.000047348 mile.
1328 feet and 5 inches
3231360! (51 miles x 1760 yards x 3 feet x 12 inches)