Solve the Problem $r$ Is Given By $V _ { W } = 20 t$

question 195

Multiple Choice

Solve the problem.
-The volume of water added to a circular drum of radius $r$ is given by $V _ { W } = 20 t$ , where $V _ { W }$ is volume in $\mathrm { cu } \mathrm {} \mathrm { ft }$ and $\mathrm { t }$ is time in sec. Find the depth of water in a drum of radius $4 \mathrm { ft }$ after adding water for $10 \mathrm { sec }$ . (Round result to one decimal place.)

• A) \(12.6 \mathrm { ft }\)
• B) \(4.0 \mathrm { ft }\)
• C) \(8.0 \mathrm { ft }\)
• D) \(2.0 \mathrm { ft }\)

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