At the beginning the water level is at 12.6m . Each hour it decreases 0.4cm . How many hours does it take for all of the water to evaporate?

First you want to ensure you are working with the same units

In this case I will change the 12.6m to cm

12.6m --> 1260cm

1260 / 0.4 = 3150 hours

answer: the answer is c.

step-by-step explanation:

she’s dividing 1/3 of the flour into 2 jars.

hope this : )