Question

A diver begins at sea level and dives down 200 feet. He ascends at a steady rate of 12 and one-third feet per minute for 4. 5 minutes. Which of the following numerical expressions represents the final depth of the diver? 200 12 and one-third(4. 5) 200 – 12 and one-third(4. 5) –200 12 and one-third(4. 5) –200 – 12 and one-third(4. 5).

Answer 1

The diver's depth is 55.485 feet.

Option B represents the correct expression of the equation.

How do you express the given condition in an equation form?

Given that the total depth is 200 feet. the steady rate of the diver is 12 and one-third feet per minute. The total time taken by the diver is 4.5 minutes.

The above condition can be written in equation form is given below.

Total Depth = Steady Rate per Minute $\times$ Total Time

$200 = (12+\dfrac {1}{3}) \times 4.5$

$200 - ((12+\dfrac{1}{3}) \times 4.5) = 0$

Hence we can conclude that option B represents the correct form of the equation.

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