12000 - 11000 = 1000
assuming each engine is 290,000 then
290,000 * 1000 = 290,000,000
4x + 12
2x - 5
-----------
6x+7
does this help at all?

Time, she spent driving the first 200 miles:

Time, she spent driving the second 200 miles:

Total time:
Answer:
A
Step-by-step explanation:
Answer:

Step-by-step explanation:


Simplify

If you have any more questions please let me know.