1.1429
70
The numbers are -10 and -70
70 + 80 + 70 + 30+ 80 + 80+ 80 = 490
14/20, 28/40, and 56/80. Seven tenths is equal to 70% or .70.
80
1.1429
80 + 70 = 150 40 + 25+ 15 + 70 = 150
70
The numbers are -10 and -70
nine-tenths (9/10) equals 90%
70 + 80 + 70 + 30+ 80 + 80+ 80 = 490
14/20, 28/40, and 56/80. Seven tenths is equal to 70% or .70.
84 * 78 = 80*70 + 80*8 + 4*70 + 4*8 = 5600 + 640 + 280 + 32 = 6552
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.
Expressed as a proper fraction in its simplest form, by dividing the numerator and denominator by 10, 70/80 is equal to 7/8 or seven eighths.