MCAT Math Question 12: Answer and Explanation
Home > MCAT Test > MCAT math practice tests
Test Information
- Use your browser's back button to return to your test results.
- Do more MCAT math practice tests.
Question: 12
12. In a certain rigid container, pressure and temperature are directly proportional in a 1:3 ratio. If the pressure is changed from 540 torr to 180 torr via a temperature change, by what factor has the temperature changed?
- A. 360
- B. 3
- C. 1
- D.
Correct Answer: D
Explanation:
In a direct relationship, a change in one of the variables will be associated with a proportional change in the other. Because the pressure was multiplied by 
the temperature must also be multiplied by 
Note that the fractional relationships can only be used with temperatures in kelvin.