It is just the difference between the signs
X + 2 < -4
x < -4 -2
•x < -6
ANSWER
For Jamal statement to be true,

EXPLANATION
The given statement is:
ax + b = a(x + c)
We expand the left hand side to obtain,
ax + b = ax + ac
Subtract ax from from both sides of the equation.
b=ac
We know that, a≠0 , so we can divide through by 'a'.

No. Mike wrote the ratio as the amount of change to the new amount. He should have used the ratio of the amount of change to the original amount, which is 55
55/275
, or 20%.
120 seconds
1 min = 60 seconds