High School

Water boils at [tex]100^{\circ}[/tex] Celsius or [tex]212^{\circ}[/tex] Fahrenheit. Water freezes at [tex]0^{\circ}[/tex] Celsius or [tex]32^{\circ}[/tex] Fahrenheit.

If the weather forecaster says it will be [tex]25^{\circ}[/tex] Celsius today, write and solve a linear equation to find what Fahrenheit temperature this is.

Answer :

To find the Fahrenheit temperature equivalent to a given Celsius temperature, we use the formula:

[tex]\[ \text{Fahrenheit} = \left( \text{Celsius} \times \frac{9}{5} \right) + 32 \][/tex]

Let's apply this formula to convert 25 degrees Celsius to Fahrenheit.

1. Multiply the Celsius temperature by [tex]\(\frac{9}{5}\)[/tex]:

[tex]\[ 25 \times \frac{9}{5} = 45 \][/tex]

2. Add 32:

[tex]\[ 45 + 32 = 77 \][/tex]

So, 25 degrees Celsius is equivalent to 77 degrees Fahrenheit.

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