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Chapter 5   

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Frigid Fridays
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On each Friday last January, the temperature was a record low temperature for the date. On Friday, January 30, the mercury dropped to 5°F, which was 7 degrees higher than the low temperature on the Friday before. The low on January 9 was 2 degrees lower than the low temperature on January 16. On the first Friday of the month, the low temperature was 3 degrees lower than that on January 23. The low temperature on the Friday in the middle of the month was 6 degrees higher than the low temperature on the first Friday.

What was the low temperature reading for each Friday of the month?

 


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