Question:
A solution is to be kept between 30°C and 35°C. What is the range of temperature in degree Fahrenheit?
Solution:
Let x degree Fahrenheit be the temperature of the solution.
Then, $30^{\circ} \mathrm{C}
Now, $F=\frac{9}{5} C+32$
$\Rightarrow \frac{9}{5} \times 30+32
$\Rightarrow 54+32
$\Rightarrow 86^{\circ}
Hence, the range of the temperature in Fahrenheit is between $86^{\circ}$ and $95^{\circ}$.
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