70 + 80 + 70 + 30+ 80 + 80+ 80 = 490
80 - 70% = 80 x (1 - (70/100)) = 24
70% of 80 is 56.
70% of 80 = 80*70/100 = 56/100 or 14/25
81.25
70 + 80 + 70 + 30+ 80 + 80+ 80 = 490
let x = decrease 80- 80 x = 70 80(1-x) = 70 1-x =70/80 x = 1-70/80 = 0.125 = 12.5%
80 - 70% = 80 x (1 - (70/100)) = 24
56/80 x 100 = 70 Therefore, 56 is 70 percent of 80.
80 percent of seventy = 5680% of 70= 80% * 70= 0.80 * 70= 56
70/80 = 0.875 = 87.5%
70% of 80 is 56.
70% of 80 = 80*70/100 = 56/100 or 14/25
81.25
The average is 80.
70 x 80 = 5600
70 with a 20% discount = 80% of 70 = 70*80/100 = 56