High School

An outside thermometer reads [tex]$57^{\circ} F$[/tex]. What is this temperature in [tex]^{\circ} C[/tex]? Round your answer to the nearest whole number.

A. 14
B. 49
C. 71
D. 135

Answer :

To convert a temperature from degrees Fahrenheit to degrees Celsius, you can use the following formula:

[tex]\[ \text{Temperature in } ^{\circ}C = \left(\text{Temperature in } ^{\circ}F - 32\right) \times \frac{5}{9} \][/tex]

Let's apply this formula to convert [tex]\(57^{\circ} F\)[/tex] to Celsius:

1. Subtract 32 from the Fahrenheit temperature:

[tex]\( 57 - 32 = 25 \)[/tex]

2. Multiply the result by [tex]\(\frac{5}{9}\)[/tex]:

[tex]\( 25 \times \frac{5}{9} \approx 13.88888888888889 \)[/tex]

3. Round the result to the nearest whole number:

The number [tex]\( 13.88888888888889 \)[/tex] rounds to [tex]\( 14 \)[/tex].

Therefore, [tex]\(57^{\circ} F\)[/tex] is approximately [tex]\(14^{\circ} C\)[/tex].

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