The points V, W, X, Y, and Z are located on a number line in that oder. The lenght of VW is twice lenght of YZ. If the length of VZ is 30, what is the length of WY?
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Expert's answer
2016-03-09T08:36:42-0500
Let the length of YZ be a, then the length of VW will be 2a. The length of WY is |WY|=|VZ|-|VW|--|YZ|=30-(a+2a)=30-3a.
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