Drip[ irrigation is installed in an area that is 35'x65'. The drip irrigation is drip emitters(emitters that are factory installed at different intervals in the piping).These emitters are installed every 18'' and row spacing is suggested at 18'' as well.The flow rate per emitter is .6 GPH(Gallon per Hour). The manufacturer suggest installing the piping 4'' from the hardscape (4''infrom the borders on all sides of your area)How many GPM(Gallons per Minute)are you flowing in this area?
a. 12 GPM
b. 15 GPM
c. 18 GPM
d. 21 GPM
