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The water level in a vat changed by -9.9 inches in 2.25 hours as the vat was drained. What is the average change in the vats water level per hour?

The water level in a vat changed by -9.9 inches in 2.25 hours as the vat was drained. What is the average change in the vats water level per hour?
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2 votes
The water level in a vat changed by -9.9 inches in 2.25 hours as the vat was drained. What is the average change in the vats water level per hour?

User Zarna Borda
by
7.6k points

2 Answers

4 votes
The correct answer is -4.4. I just took this test and i got 100% so -4.4.
User Berdir
by
8.3k points
6 votes
the answer without any certain formula would be 18.211
User Shakaron
by
7.1k points
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