
You can simplify the top and bottom by 3
I think you probably divide 7,200 gallons by 81 gallons since it's asking how many in one.
Answer:
-8y = 6
Step-by-step explanation:
-6x+4y = -8
6x -12y = 14
Add the equations
-6x+4y = -8
6x -12y = 14
--------------------
0x -8y = 6
<u><em>Answer:</em></u>
The original number of passengers on the bus decreased by 10 after the second stop
<u><em>Explanation:</em></u>
Assume that the total passengers on the bus before 2:30 was x
<u>Now, at 2:30:</u>
15 passengers got off and 9 got on.
<u>This means that:</u>
number of passengers = x - 15 + 9
number of passengers = x -6
<u>10 minutes later:</u>
4 passengers got off the bus
<u>This means that:</u>
number of passengers = (x-6) - 4
number of passengers = x - 10
<u>By comparing, we can note that:</u>
The original number of passengers on the bus decreased by 10 after the second stop
Hope this helps :)