If you can assume that the 2l bottle is full, then it holds 2000ml. 2,000 divided by 180 = 11.11. So the answer is, if you don't spill any, 11 glasses may be filled, with a bit left over.
equation could represent the total cost (y), in dollars, for x teacher ... first 3 days she takes care of a dog and $25 for each day thereafter..... An amusement park has a group rate.
