-27 divided by 9 = -3, 4 x -6 = -24, 12 x -10 = -120, -45 divided by -5 = 9, 7 x -3 = -21, 72 divided by -8 = -9, 64 dibided by 8 is 8, and -8 x 6 is -48. good luck!! ^_^
An easier way of doing this would be to subtract the initial attitude from the final attitude and divide by the rate of increase = 30000 - 6000÷4000 = 24000÷4000 =6mins