40% of 8500 = 40% * 8500 = 0.4 * 8500 = 3400
23% of 8500= 23% * 8500= 0.23 * 8500= 1955
80% of 8500 = 80% * 8500 = 0.8 * 8500 = 6800
8.7% of 8500= 8.7% * 8500= 0.087 * 8500= 739.5
8.9% of 8500 = 756.5
10% of 8500 = 8500*10/100 = 850
The increase from 400 to 8500 is: 2,025%
20% of 8500 pounds= 20% * 8500= 0.2 * 8500= 1,700 pounds
1700
10 percent of 8,500 is 850.
Multiply 8500 by 11.2/100 = 0.112 to find 11.2% of it and then add it to 8500 or multiply 8500 by 1+11.2/100 = 1.112.
2550$