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The water level in a flooded area has dropped 3 inches per hour. How much higher was the water level 4 hours ago? +7 -7 +12 -12
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3 votes
The water level in a flooded area has dropped 3 inches per hour. How much higher was the water level 4 hours ago?

+7
-7
+12
-12

User Mambax
by
8.4k points

1 Answer

3 votes
+12
because you muiltiply 3*4 and you get 12
User SGC
by
8.0k points
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