I have a 40,000 btu forced air propane heater and its orfice is .085. I ended up drilling it out to 1/16", removing the regulator and hooking it up to NATURAL gas and it works fine. [for added info not pertaining to original question]
30% of 28000 = 30% * 28000 = 0.3 * 28000 = 8400
6% of 28000= 6% * 28000= 0.06 * 28000= 1,680
420015% of 28000= 15% * 28000= 0.15 * 28000=4200
28000 liters = 28000/1000 =28 kiloliters
840030% of 28000= 30% * 28000= 0.30 * 28000= 8400
It is 28000.
28000
£28000 is $33,977
There are: 28000/50 = 560
28000
This depends on the water. take a sample to a pool shop and they will work it out for you. Or get a test kit so that you can do it your self.