Question

The height of the water in a tank decreased 3 inches each week due to evaporation. What is the change in the height of the water over a five week period due to evaporation

Answer 1

If each week the tank decreased by 3 inches, in 2 weeks it would be 6 in, 3 weeks is 9 in, 4 weeks would be 12 in, and 5 weeks would be 15 in.