Round to the Nearest Tenth Unless Indicated Otherwise $\mathrm { V }$

question 432

Multiple Choice

Round to the nearest tenth unless indicated otherwise.
-The volume $\mathrm { V }$ of a given mass of gas varies directly as the temperature $\mathrm { T }$ and inversely as the pressure $\mathrm { P }$ . If $\mathrm { V } =$ $180.0$ in $^ { 3 }$ when $\mathrm { T } = 300 ^ { \circ }$ and $\mathrm { P } = 20 \mathrm { lb } / \mathrm { in } ^ { 2 }$ , what is the volume when $\mathrm { T } = 210 ^ { \circ }$ and $\mathrm { P } = 15 \mathrm { lb } / \mathrm { in } ^ { 2 }$ ?

• A) \(188.0 \mathrm { in } ^ { 3 }\)
• B) \(158.0 \mathrm { in } ^ { 3 }\)
• C) \(128.0 \mathrm { in } ^ { 3 }\)
• D) \(168.0 \mathrm { in } ^ { 3 }\)

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