5600 !
80 x 70 = 5600 - 35 = 5565
70 times
80 times 70 is the same as 8 times 7 with two zeros at the end (one from 80 and one from 70) 8 times 7 is 56, plus two zeros is 5600.
70 + 80 + 70 + 30+ 80 + 80+ 80 = 490
1 with remainder 70.
80
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.
Oh, dude, you're hitting me with the math questions right off the bat? Okay, okay, let me break out my calculator... So, 5600 divided by 80 is 70. There you go, math wizardry at its finest.
80 - 70% = 80 x (1 - (70/100)) = 24
56/80 x 100 = 70 Therefore, 56 is 70 percent of 80.
80 dB is 10 times louder than 70 dB, and 70 dB is 10 times louder than 60 dB, and so on. Therefore, 80 dB is 1000 times louder than 40 dB.