Yulian works at the zoo feeding the animals. He puts water in the elephant habitat at the beginning of the day. This table shows how much water, in gallons, remains at different times during the day.



Hours Water Remaining
2 43
4 36
6 29
8 22
What is the equation that represents Yulian’s situation?

Enter your answer in the box
y−29= _____(x - ____ )