Joint Variation and Proportion example question
If z varies jointly as x and y, and z = 3 when x = 4 and y = 6, find z when x = 20 and y = 9.
Solution to this Joint Variation and Proportion practice problem is provided in the video below!
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Thank you so much, this tutorial is awesome!
Enjoyed the clarity of explanation, thank you
Very nice tutorial and good drill. My son understands now how to distinguish many different types of variation!