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joegreentea
- Newbie | Next Rank: 10 Posts
- Posts: 2
- Joined: Mon Aug 24, 2009 2:41 pm
The temperature in degrees Celsius(C) can be converted to temperature in degrees Fahrenheit (F) by the formula F = 9/5C + 32. What is the temperature at which F = C?
(1) 20
(2) 32/5
(3) 0
(4) -20
(5) -40
Answer is E, but can anyone explain?
Thank you.
(1) 20
(2) 32/5
(3) 0
(4) -20
(5) -40
Answer is E, but can anyone explain?
Thank you.












