To learn how to set up and solve direct-, inverse-, and joint-proportionality exercises, try here. Once you have studied the lesson and learned the basic terms and techniques, please attempt the exercise, starting with the help provided in the previous reply; namely, that the variation equation will be of the form:
. . . . .\(\displaystyle A\, =\, \dfrac{k}{B}\)
Do the plug-n-chug for k, and then do the plug-n-chug for A. If you get stuck, you can then reply with a clear listing of your steps so far. Thank you!
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