Which culture was considered to have the most advanced number system? O Roman
I Babylonian
O Egyptian

Step-by-step explanation:

The number system in most common use today is the Arabic system. It was first developed by the Hindus and was used as early as the 3rd century BC. The introduction of the symbol 0, used to indicate the positional value of digits was very important.

I think its the babylonions

45

step-by-step explanation:

to find a percentage, add a decimal in front and multiply it by the other number.

.25 times 180= 45