BTU is British thermal unit which is amount of energy required to heat one pound of water by one degree Fahrenheit. BTU is linear expression which means 90000BTU is 90 divided by 42 times higher than 42000BTU.
1% of 42000 = 1% * 42000 = 0.01 * 42000 = 420
A. Is it - what is 3 percent of 42?3% of 42= 3% * 42= 0.03 * 42= 1.26B. Is it - what is 3 percent of 42000?3% of 42000= 3% * 42000= 0.03 * 42000= 1260
42000
42000
30% of 42,000= 30% * 42000= 0.3 * 42000= 12,600
20% of 42000 = 0.20 x 42000= 8400
25% of 42000= 25% * 42000= 0.25 * 42000= 10500
40% of 42,000= 40% * 42000= 0.4 * 42000= 16,800
80% of 42,000 = 80% * 42000 = 0.8 * 42000 = 33,600
42000
42000 is 10% bigger than 42000/1.10 = 38181.8181...
3500