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%
70 and 80 is 150.
80 - 70% = 80 x (1 - (70/100)) = 24
70 %% = ( part / whole ) x 100what percent of 80 (whole) is 56 (part)?% = ( 56 / 80 ) x 100% = (0.7) x 100% = 70 %70%
80 percent of seventy = 5680% of 70= 80% * 70= 0.80 * 70= 56
70% of 80 = 80*70/100 = 56/100 or 14/25
70% of 80 is 56.
70/80 = 0.875 = 87.5%
81.25
(60 + 70 + 80 + 110) ÷ 4 = 80
70 x 80 = 5600