To hold the temperature of a room between $11 ^ { \circ } \mathrm { C }$ and $28 ^ { \circ } \mathrm { C }$ what Fahrenheit temperatures must be maintained?
A) $50.7 ^ { \circ }

Question

To hold the temperature of a room between $11 ^ { \circ } \mathrm { C }$ and $28 ^ { \circ } \mathrm { C }$ what Fahrenheit temperatures must be maintained?
A) $50.7 ^ { \circ } < F < 81.3 ^ { \circ }$
B) $54 ^ { \circ } < F < 84.6 ^ { \circ }$
C) $51.8 ^ { \circ } < F < 79.1 ^ { \circ }$
D) $48.5 ^ { \circ } < F < 79.1 ^ { \circ }$
E) $51.8 ^ { \circ } < F < 82.4 ^ { \circ }$

Quizplus · Accepted Answer

To convert Celsius to Fahrenheit, use the formula $ F = \frac{9}{5}C + 32 $. For $11 ^{\circ}C$, $ F = \frac{9}{5}(11) + 32 = 51.8 ^{\circ}F $. For $28 ^{\circ}C$, $ F = \frac{9}{5}(28) + 32 = 82.4 ^{\circ}F $. Thus, the range is $51.8 ^{\circ} < F < 82.4 ^{\circ}$.

To Hold the Temperature of a Room Between 11∘C11 ^ { \circ } \mathrm { C }11∘C

To Hold the Temperature of a Room Between $11 ^ { \circ } \mathrm { C }$