70*44*3 = 6 * pi (17.5)^2 t
t = 70*44*3/[6*pi*17.5)^2] seconds
divide by 3600 to get hours
find hours to fill a tank of 70m*44m*3m filled by pipe of diameter 35 cm at rate of 6m/ second?
3 answers
4 4/9
Wtf is this