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The lowest temperature ever recorded in the state of Oregon was54°F (in Seneca, on February 10, 1933). The state’s record high temperature occurred in Pendleton on August 10, 1898, when it reached 119°F. What is the historical temperature range in the state of Oregon?

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    The "range" of anything is the difference (distance, of a sort) between the two. Normally, you'd just subtract, but since one of the numbers you are referring to, I think, is a negative (-54 degrees, right?), your problem will look like this:

    119 - (-54) = range

    What happens when you have two negatives in a subtraction problem?

    http://www.aaastudy.com/sub.htm#topic54
    Click on Subtraction Equations - 2 Digit Integers. Then let us know what you come up with, and someone here will give you feedback.

    =)

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