A = P + I
2a = a + PTR/100
2a = a + 5aT/100
2a = a(1+T/20)
2=1+T/20
T=20 yrs
The slope intercept formula would be
To convert miles to feet you multiply by 5280
To convert hours to seconds you divide by 3600
so you multiply 64 by 5280/3600 which comes to 93.87 ft/s Answer
