The context of the question is not very clear.
Here are some examples. There may be other scenarios as well.
First let's say you have $11 and out of the goodness of your heart you gave $4 to your kid bother. "How much left" would in this case would involve a subtraction operation (11-4) to give $7 which is the amount left with you for your pleasure.
Let's say you have a Pizza which your mother cleverly cut into 9 equal parts. Four of your friends each eat equal number of pieces. "How much left" would involve a and division operation 9/4 to yield a remainder of 1 which is the number of pieces left.
In both cases above, it the the remainder of a math operation which signifies "how much left"
"How much ... all together ?" usually means add. "How much ... left ?" usually means subtract.
subtraction
It does not mean anything in particular.
You start from the left and end at the right
If you mean how many months left in a year, then it would be eight months left in that year.
Much like in biology, the left side of the garment is the side that will be on your left when you are wearing it.
Depends what you mean by "space left" in New Jersey.
This is not an idiom. It means exactly what it seems to mean - there are not many left of whatever you're referring to.
"How much ... all together ?" usually means add. "How much ... left ?" usually means subtract.
do you mean how much money does he have left
pretty much do not do pretty much do not do pretty much do not do
left
what does it mean when your left eye jump
The desert that has been left to your left LOOK
you can wite from right to left with your left hand while writing left to right with your hand what does that mean
if you mean the pilgrims, they left from England
Left. (As in directions, to go left or right)