25 mph the train is accelerating at a constant rate<span />
They are both proportional. 1:4 and 1:15
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'.

Answer:
q=6
Step-by-step explanation: