help on algebra?!?

Create an equation to model this situation. Suppose that the water level of a river is 34 feet and that it is receding at a rate of 0.5 foot per day. Write an equation for the water level L, after D days.

Ian H2019-02-27T21:08:48Z

L = 34 - D/2

alex2019-02-27T21:08:11Z

L=34-0.5D