Answer:
6 jeeps are needed. the last jeep will fit 4 people because you cant logically cut a jeep in half to make it perfectly sized. In this case its 6 jeeps as your answer.
6x7=42
Uhhhhh the picture is all white
The percent of change will always be represented by a positive number because that change is an absolute value. Absolute values will always stay positive because the direction is ignored. It's not like a -1 or a -2, but it's a zero or a 3.
Hope this helped you out! :D