Question

During a hot summer week the water level in Wei's pool decreased, by 1.9 cm wei added water to the pool increasing the pool level by 3.5 cm. During the next week the water level decreased by 2.4 cm. How does the new water level compared to the original water level

Answer 1

x-0.8 is the new water level

Explanation:

Lets say that the original level of the pool is x

the equation would be x-1.9+3.5-2.4

If you simplify this equation by combining like terms you would get x-0.8