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Express twenty five degrees Celsius as a temperature in degrees Fahrenheit using the formula Fahrenheit

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or F is equal to nine fifths times the Celsius degrees plus thirty two, so they're telling us that we have twenty five degrees

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Celsius. So, we can put that in for "C" here and we'll get the temperature in Fahrenheit degrees. So, lets do that! So, we get "F" is equal to nine over five

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times, now for "C" we are going to put in twenty five, times twenty five plus thirty two...and now we

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can simplify this before we multiply twenty five times nine. Now remember, that's the same thing as nine

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fifths times twenty five over one. We can essentually devide the numerater and the denominator of our

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eventual product by five. If we devide twenty five by five we get five. If we devide five by five we

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get one. So, this boils down to nine times five plus thirty two. So our Fahrenheit degrees are going to

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be nine times five is forty five plus thirty two degrees or it's equal to forty five plus thirty two

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is seventy seven. So this is seventy seven degrees Fahrenhiet.