A 5/8 inch (inside) diameter garden hose is used to fill a round swimming pool 6.1m in diameter. How long will it take to fill the pool to a depth of 1.2m if water issues from the hose at a speed of 0.33m/s?
*note- please explain this in the simplest way possible if you can! thank you :)
Diameter of the hose = 5/8 inch = 0.625 inch = 0.015875 meter
Cross sectional area of the hose = ...