Solve the problem.
-To convert a Celsius temperature to a Fahrenheit temperature, we multiply the Celsius temperature by $\frac { 9 } { 5 }$ and add 32 to the result. A chemical must be stored at $43 ^ { \circ } \mathrm { C }$. What is this temperature in degrees Fahrenheit? Round to the nearest tenth of a degree.
A) $13.8 ^ { \circ } \mathrm { F }$
B) $135.0 ^ { \circ } \mathrm { F }$
C) $109.4 ^ { \circ } \mathrm { F }$
D) $55.9 ^ { \circ } \mathrm { F }$

Question

Quizplus · Accepted Answer

We use the formula given: Fahrenheit temperature = Celsius temperature × $\frac{9}{5} + 32$.
Substituting in $43^\circ 	ext{C}$, we get: 
$Fahrenheit\ temperature = 43 	imes \frac{9}{5} + 32 = 109.4^\circ 	ext{F}.$

Rounding to the nearest tenth of a degree, we get $109.4^\circ 	ext{F}$ as the final answer. Thus, the correct choice is $\boxed{	extbf{(C)}}$.

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