For 8 days of very hot weather, the water level in a lake dropped 3 inches per day. On the ninth day, storms raised the level 6 inches. What was the total amount of change in the water level during these 9 days?

Step-by-step explanation:

8 days x 3 inches= 24 inches

(The amount of inches the water went down)

24 inches - 6 inches ( amount the water went up on the 9th dat)

= 18 inches

So, the answer would be:

The total difference over the 9 days, the water went down 18 inches.

step-by-step explanation:

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