Answer:
[tex]4,171,200\ ft[/tex]
Explanation:
Remember that
1 mile=5,280 feet
so
using proportion
convert 790 miles to feet
Let
x ---> the number of feet
[tex]\frac{1}{5,280}\frac{mi}{ft} =\frac{790}{x}\frac{mi}{ft}\\\\x=5,280*790\\\\x=4,171,200\ ft[/tex]