Just saw the Git commit requiremtent.

I'll do what as many as I can.
Commit 3

making comments
commit 4

added comment for width
Bagsize variable

Commit 5
Square feet

Commit 6
Display Result

commit 7
Alert comment

commit 8
Catching up on commits. saw the requirement late.

Commit 1
Gas price

Commit 2
Our vehicles

commit 3
Vehicle Variable

Commit 4
Gallons Used

commit 5
total cost of trip

Commit 6
Console log

Commit 7
Display alert

commit 8
Expression Wacky

commit1