During a drought, the water level of a lake changes -3 1/5 feet per day. How do you write and solve an equation to find how long it takes for the water to change -16 feet?

1 Answer

It takes 5 days to change water level to -16 feet

Explanation:

Let x be the number of days it takes to change water level to -16\ \text{feet when change in water level per day is -3 1/5\ \text{feet

-3 1/5\times x=-16

16/5x=16

x=16\times 5/16

x=5

Hence, it takes 5 days to change water level to -16 feet