If F = \(\frac{9}{5}\)C + 32, find C when F = 98.6
MATHEMATICS
WAEC 2018
If F = \(\frac{9}{5}\)C + 32, find C when F = 98.6
- A. 30
- B. 37
- C. 39
- D. 41
Correct Answer: B. 37
Explanation
F = \(\frac{9}{5}\)C + 32
When F = 98.6
98.6 = \(\frac{9}{5}\)C + 32
98.6 - 32 = \(\frac{9}{5}\)C
66.6= \(\frac{9}{5}\)C
66.6 x 5 = 9C
C = \(\frac{66.6 \times 5}{9}\)
= 37
Post an Explanation Or Report an Error
If you see any wrong question or answer, please leave a comment below and we'll take a look. If you doubt why the selected answer is correct or need additional more details? Please drop a comment or Contact us directly. Your email address will not be published. Required fields are marked *