66000 x 60 x 60 = 237,600,000 seconds
40%
It is 100*10/40 = 25%
40% of 20 = 8
40
20% of 66000= 20% * 66000= 0.2 * 66000= 13,200
40 --- 100 reduced would be: 10 --- 25
17.5% = 7/40
The output rating of a 96% efficient boiler or furnace rated at 100,000 input.
40 to 60 percent.
28 Dollars
40 per cent.