Question 318868
Rate*Time=Distance
Convert your distance to miles.
420 ft (1 mile/5280 ft)=0.079545 mile
{{{R*t=D}}}
{{{45*t=0.079545}}}
{{{t=0.0017677}}} hours
1 hr=3600 seconds
t=0.0017677 hrs*(3600 sec/1 hr)=6.36 sec