Water Flows Continuously from a Large Tank at a Rate

question 49

Multiple Choice

Water flows continuously from a large tank at a rate proportional to the amount of water remaining in the tank;that is, .There was initially 10,000 cubic feet of water in the tank,and at time hours,6,000 cubic feet of water remained. ​
​To the nearest cubic foot,how much water remained in the tank at time hours?
​

• A)​4,937
• B)​5,170
• C)​5,394
• D)​4,891

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Definitions:

Contribution Format

An income statement format that separates fixed and variable costs and expenses, used to determine contribution margin.

Least-squares Method

A statistical technique used to determine the line of best fit by minimizing the sum of the squares of the differences between the observed values and the values predicted by the line.

Mixed Cost

Expenses that have both fixed and variable components, changing with levels of production but not in direct proportion.

Variable Cost

A cost that varies with the level of output or sales, such as materials or commissioned labor.