Solve the problem.The pressure of a gas varies jointly as the amount of the gas (measured in moles) and the temperature and inversely as the volume of the gas. If the pressure is 
(kiloPascals) when the number of moles is 8, the temperature is 
, and the volume is 
, find the pressure when the number of moles is 9, the temperature is 
,
and the volume is 
.
A. 1456
B. 754
C. 780
D. 1508
Answer: B
Mathematics
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and 
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