180 + 30x = 60 + 50x
⇒ 20x = 120
⇒ x = 6 minutes
<span>it will take 6 minutes for Millie to catch up with Ben</span>
The answer is C because It is going at the same rate. It would work the same if it was negative or positive.
I hope this helped :)
Answer:
Area = 
Step-by-step explanation:
A=a+b
2h=13+13
2·12=156cm²
I hope this helps you :)
x+y= 4 (-2)
3x+2y = 9
-2x -2y = -8
3x +2y = 9
x = 1
1+y =9
y = 9-1
y =8